389776232 has 8 divisors (see below), whose sum is σ = 730830450. Its totient is φ = 194888112.

The previous prime is 389776229. The next prime is 389776267. The reversal of 389776232 is 232677983.

It can be written as a sum of positive squares in only one way, i.e., 298114756 + 91661476 = 17266^2 + 9574^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×389776232² = 303851022064235648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24361007 + ... + 24361022.

Almost surely, 2^389776232 is an apocalyptic number.

It is an amenable number.

389776232 is a deficient number, since it is larger than the sum of its proper divisors (341054218).

389776232 is a wasteful number, since it uses less digits than its factorization.

389776232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48722035 (or 48722031 counting only the distinct ones).

The product of its digits is 762048, while the sum is 47.

The square root of 389776232 is about 19742.7513786706. The cubic root of 389776232 is about 730.4745972427.

The spelling of 389776232 in words is "three hundred eighty-nine million, seven hundred seventy-six thousand, two hundred thirty-two".