383997130 has 24 divisors (see below), whose sum is σ = 759745476. Its totient is φ = 139634880.

The previous prime is 383997113. The next prime is 383997143. The reversal of 383997130 is 31799383.

It can be written as a sum of positive squares in 2 ways, for example, as 340291809 + 43705321 = 18447^2 + 6611^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157467 + ... + 159886.

Almost surely, 2^383997130 is an apocalyptic number.

383997130 is a deficient number, since it is larger than the sum of its proper divisors (375748346).

383997130 is a wasteful number, since it uses less digits than its factorization.

383997130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317382 (or 317371 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 383997130 is about 19595.8447125915. The cubic root of 383997130 is about 726.8464263172.

The spelling of 383997130 in words is "three hundred eighty-three million, nine hundred ninety-seven thousand, one hundred thirty".