396626604 has 48 divisors (see below), whose sum is σ = 1017346176. Its totient is φ = 119267200.

The previous prime is 396626603. The next prime is 396626611. The reversal of 396626604 is 406626693.

It is not an unprimeable number, because it can be changed into a prime (396626603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5824 + ... + 28760.

It is an arithmetic number, because the mean of its divisors is an integer number (21194712).

Almost surely, 2^396626604 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 396626604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508673088).

396626604 is an abundant number, since it is smaller than the sum of its proper divisors (620719572).

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

396626604 is a wasteful number, since it uses less digits than its factorization.

396626604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23086 (or 23084 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 42.

The square root of 396626604 is about 19915.4865368637. The cubic root of 396626604 is about 734.7291667248.

The spelling of 396626604 in words is "three hundred ninety-six million, six hundred twenty-six thousand, six hundred four".