396357504 has 64 divisors (see below), whose sum is σ = 1070147280. Its totient is φ = 129945600.

The previous prime is 396357503. The next prime is 396357509. The reversal of 396357504 is 405753693.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×396357504² = 314198541954220032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396357503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14964 + ... + 31884.

Almost surely, 2^396357504 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 396357504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535073640).

396357504 is an abundant number, since it is smaller than the sum of its proper divisors (673789776).

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

396357504 is a wasteful number, since it uses less digits than its factorization.

396357504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16999 (or 16987 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 42.

The square root of 396357504 is about 19908.7293416732. The cubic root of 396357504 is about 734.5629647702.

The spelling of 396357504 in words is "three hundred ninety-six million, three hundred fifty-seven thousand, five hundred four".