352443904 has 60 divisors (see below), whose sum is σ = 739088856. Its totient is φ = 167585792.

The previous prime is 352443887. The next prime is 352443911. The reversal of 352443904 is 409344253.

It is a happy number.

It is a super-2 number, since 2×352443904² = 248433410933522432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 352443904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2037162 + ... + 2037334.

Almost surely, 2^352443904 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 352443904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369544428).

352443904 is an abundant number, since it is smaller than the sum of its proper divisors (386644952).

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

352443904 is an frugal number, since it uses more digits than its factorization.

352443904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 352443904 is about 18773.4893932907. The cubic root of 352443904 is about 706.3663483989.

The spelling of 352443904 in words is "three hundred fifty-two million, four hundred forty-three thousand, nine hundred four".