3816897944 has 16 divisors (see below), whose sum is σ = 7161531720. Its totient is φ = 1907156160.

The previous prime is 3816897937. The next prime is 3816897977. The reversal of 3816897944 is 4497986183.

It is a super-2 number, since 2×3816897944² = 29137419829822854272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148997 + ... + 172724.

Almost surely, 2^3816897944 is an apocalyptic number.

It is an amenable number.

3816897944 is a deficient number, since it is larger than the sum of its proper divisors (3344633776).

3816897944 is a wasteful number, since it uses less digits than its factorization.

3816897944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323210 (or 323206 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 59.

The square root of 3816897944 is about 61781.0484210166. The cubic root of 3816897944 is about 1562.8004081936.

The spelling of 3816897944 in words is "three billion, eight hundred sixteen million, eight hundred ninety-seven thousand, nine hundred forty-four".