383948812 has 12 divisors (see below), whose sum is σ = 723595936. Its totient is φ = 177207120.

The previous prime is 383948779. The next prime is 383948833. The reversal of 383948812 is 218849383.

It is a super-2 number, since 2×383948812² = 294833380472422688, which contains 22 as substring.

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, 3691764 + ... + 3691867.

Almost surely, 2^383948812 is an apocalyptic number.

It is an amenable number.

383948812 is a deficient number, since it is larger than the sum of its proper divisors (339647124).

383948812 is a wasteful number, since it uses less digits than its factorization.

383948812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7383648 (or 7383646 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 383948812 is about 19594.6118103932. The cubic root of 383948812 is about 726.8159389029.

The spelling of 383948812 in words is "three hundred eighty-three million, nine hundred forty-eight thousand, eight hundred twelve".