389834272 has 12 divisors (see below), whose sum is σ = 767486286. Its totient is φ = 194917120.

The previous prime is 389834261. The next prime is 389834287. The reversal of 389834272 is 272438983.

It can be written as a sum of positive squares in only one way, i.e., 344622096 + 45212176 = 18564^2 + 6724^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6091129 + ... + 6091192.

Almost surely, 2^389834272 is an apocalyptic number.

389834272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

389834272 is a deficient number, since it is larger than the sum of its proper divisors (377652014).

389834272 is a wasteful number, since it uses less digits than its factorization.

389834272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12182331 (or 12182323 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 389834272 is about 19744.2212305272. The cubic root of 389834272 is about 730.5108527811.

The spelling of 389834272 in words is "three hundred eighty-nine million, eight hundred thirty-four thousand, two hundred seventy-two".