396888624 has 120 divisors (see below), whose sum is σ = 1240105152. Its totient is φ = 117452160.

The previous prime is 396888619. The next prime is 396888643. The reversal of 396888624 is 426888693.

396888624 is a `hidden beast` number, since 3 + 9 + 6 + 8 + 8 + 8 + 624 = 666.

It is a super-2 number, since 2×396888624² = 315041159721226752, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65199 + ... + 71025.

Almost surely, 2^396888624 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 396888624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620052576).

396888624 is an abundant number, since it is smaller than the sum of its proper divisors (843216528).

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

396888624 is a wasteful number, since it uses less digits than its factorization.

396888624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5895 (or 5886 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 396888624 is about 19922.0637485176. The cubic root of 396888624 is about 734.8909236997.

The spelling of 396888624 in words is "three hundred ninety-six million, eight hundred eighty-eight thousand, six hundred twenty-four".