396239402 has 16 divisors (see below), whose sum is σ = 644324352. Its totient is φ = 181666800.

The previous prime is 396239399. The next prime is 396239443. The reversal of 396239402 is 204932693.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46538 + ... + 54389.

It is an arithmetic number, because the mean of its divisors is an integer number (40270272).

Almost surely, 2^396239402 is an apocalyptic number.

396239402 is a deficient number, since it is larger than the sum of its proper divisors (248084950).

396239402 is a wasteful number, since it uses less digits than its factorization.

396239402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101093.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 396239402 is about 19905.7630348600. The cubic root of 396239402 is about 734.4899986791.

The spelling of 396239402 in words is "three hundred ninety-six million, two hundred thirty-nine thousand, four hundred two".