389233299 has 32 divisors (see below), whose sum is σ = 647524864. Its totient is φ = 202487040.

The previous prime is 389233277. The next prime is 389233307. The reversal of 389233299 is 992332983.

It is not a de Polignac number, because 389233299 - 2⁵ = 389233267 is a prime.

It is a super-2 number, since 2×389233299² = 303005122100846802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (389233399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10164 + ... + 29694.

It is an arithmetic number, because the mean of its divisors is an integer number (20235152).

Almost surely, 2^389233299 is an apocalyptic number.

389233299 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

389233299 is a deficient number, since it is larger than the sum of its proper divisors (258291565).

389233299 is a wasteful number, since it uses less digits than its factorization.

389233299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19627.

The product of its digits is 629856, while the sum is 48.

The square root of 389233299 is about 19728.9964012364. The cubic root of 389233299 is about 730.1352717357.

The spelling of 389233299 in words is "three hundred eighty-nine million, two hundred thirty-three thousand, two hundred ninety-nine".