396379506 has 8 divisors (see below), whose sum is σ = 792759024. Its totient is φ = 132126500.

The previous prime is 396379471. The next prime is 396379517. The reversal of 396379506 is 605973693.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

396379506 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33031620 + ... + 33031631.

It is an arithmetic number, because the mean of its divisors is an integer number (99094878).

Almost surely, 2^396379506 is an apocalyptic number.

396379506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

396379506 is a wasteful number, since it uses less digits than its factorization.

396379506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66063256.

The product of its (nonzero) digits is 918540, while the sum is 48.

The square root of 396379506 is about 19909.2819056841. The cubic root of 396379506 is about 734.5765565025.

The spelling of 396379506 in words is "three hundred ninety-six million, three hundred seventy-nine thousand, five hundred six".