383990732 has 12 divisors (see below), whose sum is σ = 673582896. Its totient is φ = 191538480.

The previous prime is 383990729. The next prime is 383990749. The reversal of 383990732 is 237099383.

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, 112328 + ... + 115695.

It is an arithmetic number, because the mean of its divisors is an integer number (56131908).

Almost surely, 2^383990732 is an apocalyptic number.

It is an amenable number.

383990732 is a deficient number, since it is larger than the sum of its proper divisors (289592164).

383990732 is a wasteful number, since it uses less digits than its factorization.

383990732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228448 (or 228446 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 383990732 is about 19595.6814630163. The cubic root of 383990732 is about 726.8423894908.

The spelling of 383990732 in words is "three hundred eighty-three million, nine hundred ninety thousand, seven hundred thirty-two".