397844044 has 12 divisors (see below), whose sum is σ = 749783104. Its totient is φ = 183620304.

The previous prime is 397844009. The next prime is 397844053. The reversal of 397844044 is 440448793.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3825372 + ... + 3825475.

Almost surely, 2^397844044 is an apocalyptic number.

It is an amenable number.

397844044 is a deficient number, since it is larger than the sum of its proper divisors (351939060).

397844044 is a wasteful number, since it uses less digits than its factorization.

397844044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7650864 (or 7650862 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 397844044 is about 19946.0282763261. The cubic root of 397844044 is about 735.4801459567.

The spelling of 397844044 in words is "three hundred ninety-seven million, eight hundred forty-four thousand, forty-four".