396885444 has 24 divisors (see below), whose sum is σ = 926425920. Its totient is φ = 132243744.

The previous prime is 396885431. The next prime is 396885457. The reversal of 396885444 is 444588693.

It is an interprime number because it is at equal distance from previous prime (396885431) and next prime (396885457).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38062 + ... + 47354.

It is an arithmetic number, because the mean of its divisors is an integer number (38601080).

Almost surely, 2^396885444 is an apocalyptic number.

It is an amenable number.

396885444 is an abundant number, since it is smaller than the sum of its proper divisors (529540476).

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

396885444 is a wasteful number, since it uses less digits than its factorization.

396885444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12859 (or 12857 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The square root of 396885444 is about 19921.9839373492. The cubic root of 396885444 is about 734.8889609665. Note that the first 3 decimals are identical.

The spelling of 396885444 in words is "three hundred ninety-six million, eight hundred eighty-five thousand, four hundred forty-four".