354430656 has 84 divisors (see below), whose sum is σ = 1028903200. Its totient is φ = 116633088.

The previous prime is 354430633. The next prime is 354430697. The reversal of 354430656 is 656034453.

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 354430656.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41610 + ... + 49398.

Almost surely, 2^354430656 is an apocalyptic number.

354430656 is a gapful number since it is divisible by the number (36) 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 354430656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514451600).

354430656 is an abundant number, since it is smaller than the sum of its proper divisors (674472544).

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

354430656 is a wasteful number, since it uses less digits than its factorization.

354430656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7886 (or 7873 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 354430656 is about 18826.3287977237. The cubic root of 354430656 is about 707.6911417362.

The spelling of 354430656 in words is "three hundred fifty-four million, four hundred thirty thousand, six hundred fifty-six".