396789036 has 96 divisors (see below), whose sum is σ = 1112348160. Its totient is φ = 107702784.

The previous prime is 396789007. The next prime is 396789037. The reversal of 396789036 is 630987693.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 396789036.

It is not an unprimeable number, because it can be changed into a prime (396789037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132160 + ... + 135128.

It is an arithmetic number, because the mean of its divisors is an integer number (11586960).

Almost surely, 2^396789036 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 396789036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556174080).

396789036 is an abundant number, since it is smaller than the sum of its proper divisors (715559124).

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

396789036 is a wasteful number, since it uses less digits than its factorization.

396789036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 396789036 is about 19919.5641518583. The cubic root of 396789036 is about 734.8294518450.

The spelling of 396789036 in words is "three hundred ninety-six million, seven hundred eighty-nine thousand, thirty-six".