396432790 has 32 divisors (see below), whose sum is σ = 774113760. Its totient is φ = 145300224.

The previous prime is 396432749. The next prime is 396432793. The reversal of 396432790 is 97234693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396432793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6681 + ... + 28939.

It is an arithmetic number, because the mean of its divisors is an integer number (24191055).

Almost surely, 2^396432790 is an apocalyptic number.

396432790 is a deficient number, since it is larger than the sum of its proper divisors (377680970).

396432790 is a wasteful number, since it uses less digits than its factorization.

396432790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22416.

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 396432790 is about 19910.6200305264. The cubic root of 396432790 is about 734.6094706020.

The spelling of 396432790 in words is "three hundred ninety-six million, four hundred thirty-two thousand, seven hundred ninety".