396367506 has 32 divisors (see below), whose sum is σ = 891700800. Its totient is φ = 132121044.

The previous prime is 396367469. The next prime is 396367513. The reversal of 396367506 is 605763693.

396367506 is a `hidden beast` number, since 3 + 9 + 636 + 7 + 5 + 0 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40936 + ... + 49683.

It is an arithmetic number, because the mean of its divisors is an integer number (27865650).

Almost surely, 2^396367506 is an apocalyptic number.

396367506 is an abundant number, since it is smaller than the sum of its proper divisors (495333294).

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

396367506 is an frugal number, since it uses more digits than its factorization.

396367506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90642 (or 90624 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 45.

The square root of 396367506 is about 19908.9805364313. The cubic root of 396367506 is about 734.5691435666.

The spelling of 396367506 in words is "three hundred ninety-six million, three hundred sixty-seven thousand, five hundred six".