396794712 has 128 divisors (see below), whose sum is σ = 1078387200. Its totient is φ = 121347072.

The previous prime is 396794711. The next prime is 396794809. The reversal of 396794712 is 217497693.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396794711) 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, 1732614 + ... + 1732842.

It is an arithmetic number, because the mean of its divisors is an integer number (8424900).

Almost surely, 2^396794712 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 396794712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539193600).

396794712 is an abundant number, since it is smaller than the sum of its proper divisors (681592488).

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

396794712 is a wasteful number, since it uses less digits than its factorization.

396794712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 373 counting only the distinct ones).

The product of its digits is 571536, while the sum is 48.

The square root of 396794712 is about 19919.7066243457. The cubic root of 396794712 is about 734.8329556986.

The spelling of 396794712 in words is "three hundred ninety-six million, seven hundred ninety-four thousand, seven hundred twelve".