396038945 has 8 divisors (see below), whose sum is σ = 500259840. Its totient is φ = 300155760.

The previous prime is 396038941. The next prime is 396039011. The reversal of 396038945 is 549830693.

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

It is not a de Polignac number, because 396038945 - 2² = 396038941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 396038945.

It is not an unprimeable number, because it can be changed into a prime (396038941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2084321 + ... + 2084510.

It is an arithmetic number, because the mean of its divisors is an integer number (62532480).

Almost surely, 2^396038945 is an apocalyptic number.

It is an amenable number.

396038945 is a deficient number, since it is larger than the sum of its proper divisors (104220895).

396038945 is a wasteful number, since it uses less digits than its factorization.

396038945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168855.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 396038945 is about 19900.7272480178. The cubic root of 396038945 is about 734.3661186069.

The spelling of 396038945 in words is "three hundred ninety-six million, thirty-eight thousand, nine hundred forty-five".