389120233 has 12 divisors (see below), whose sum is σ = 407724688. Its totient is φ = 371333160.

The previous prime is 389120219. The next prime is 389120239. The reversal of 389120233 is 332021983.

It is a de Polignac number, because none of the positive numbers 2^k-389120233 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 389120195 and 389120204.

It is not an unprimeable number, because it can be changed into a prime (389120239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 428566 + ... + 429472.

Almost surely, 2^389120233 is an apocalyptic number.

It is an amenable number.

389120233 is a deficient number, since it is larger than the sum of its proper divisors (18604455).

389120233 is an equidigital number, since it uses as much as digits as its factorization.

389120233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764 (or 1741 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 389120233 is about 19726.1307153735. The cubic root of 389120233 is about 730.0645673796.

The spelling of 389120233 in words is "three hundred eighty-nine million, one hundred twenty thousand, two hundred thirty-three".