340788392 has 64 divisors (see below), whose sum is σ = 792167040. Its totient is φ = 134092800.

The previous prime is 340788361. The next prime is 340788397. The reversal of 340788392 is 293887043.

It is a super-2 number, since 2×340788392² = 232273456243891328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340788397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34667 + ... + 43397.

It is an arithmetic number, because the mean of its divisors is an integer number (12377610).

Almost surely, 2^340788392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340788392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396083520).

340788392 is an abundant number, since it is smaller than the sum of its proper divisors (451378648).

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

340788392 is a wasteful number, since it uses less digits than its factorization.

340788392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8802 (or 8798 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 340788392 is about 18460.4548156323. The cubic root of 340788392 is about 698.4922595489.

The spelling of 340788392 in words is "three hundred forty million, seven hundred eighty-eight thousand, three hundred ninety-two".