340422912 has 90 divisors (see below), whose sum is σ = 1015141358. Its totient is φ = 113467392.

The previous prime is 340422899. The next prime is 340422941. The reversal of 340422912 is 219224043.

It can be written as a sum of positive squares in only one way, i.e., 255488256 + 84934656 = 15984^2 + 9216^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12528 + ... + 28944.

Almost surely, 2^340422912 is an apocalyptic number.

340422912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340422912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507570679).

340422912 is an abundant number, since it is smaller than the sum of its proper divisors (674718446).

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

340422912 is an equidigital number, since it uses as much as digits as its factorization.

340422912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16445 (or 16422 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 340422912 is about 18450.5531624393. The cubic root of 340422912 is about 698.2424698730.

Adding to 340422912 its reverse (219224043), we get a palindrome (559646955).

The spelling of 340422912 in words is "three hundred forty million, four hundred twenty-two thousand, nine hundred twelve".