389130849 has 12 divisors (see below), whose sum is σ = 591661200. Its totient is φ = 245766744.

The previous prime is 389130829. The next prime is 389130851. The reversal of 389130849 is 948031983.

It is not a de Polignac number, because 389130849 - 2⁸ = 389130593 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (389130829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1137639 + ... + 1137980.

It is an arithmetic number, because the mean of its divisors is an integer number (49305100).

Almost surely, 2^389130849 is an apocalyptic number.

It is an amenable number.

389130849 is a deficient number, since it is larger than the sum of its proper divisors (202530351).

389130849 is a wasteful number, since it uses less digits than its factorization.

389130849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275644 (or 2275641 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 389130849 is about 19726.3997982399. The cubic root of 389130849 is about 730.0712065400.

The spelling of 389130849 in words is "three hundred eighty-nine million, one hundred thirty thousand, eight hundred forty-nine".