340623936 has 63 divisors (see below), whose sum is σ = 977608281. Its totient is φ = 113393664.

The previous prime is 340623929. The next prime is 340623953. The reversal of 340623936 is 639326043.

The square root of 340623936 is 18456.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 133263936 + 207360000 = 11544^2 + 14400^2 .

It is a super-2 number, since 2×340623936² = 232049331552264192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 340623936.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 442560 + ... + 443328.

Almost surely, 2^340623936 is an apocalyptic number.

340623936 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

340623936 is the 18456-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340623936

340623936 is an abundant number, since it is smaller than the sum of its proper divisors (636984345).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340623936 is an frugal number, since it uses more digits than its factorization.

340623936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The cubic root of 340623936 is about 698.3798831410.

Multiplying 340623936 by its sum of digits (36), we get a square (12262461696 = 110736²).

340623936 divided by its sum of digits (36) gives a square (9461776 = 3076²).

Adding to 340623936 its reverse (639326043), we get a palindrome (979949979).

The spelling of 340623936 in words is "three hundred forty million, six hundred twenty-three thousand, nine hundred thirty-six".