396790812 has 288 divisors, whose sum is σ = 1254839040. Its totient is φ = 108241920.

The previous prime is 396790777. The next prime is 396790837. The reversal of 396790812 is 218097693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6725239 + ... + 6725297.

It is an arithmetic number, because the mean of its divisors is an integer number (4357080).

Almost surely, 2^396790812 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 396790812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627419520).

396790812 is an abundant number, since it is smaller than the sum of its proper divisors (858048228).

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

396790812 is a wasteful number, since it uses less digits than its factorization.

396790812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 396790812 is about 19919.6087310971. The cubic root of 396790812 is about 734.8305481918.

The spelling of 396790812 in words is "three hundred ninety-six million, seven hundred ninety thousand, eight hundred twelve".