389727532 has 12 divisors (see below), whose sum is σ = 683957736. Its totient is φ = 194311040.

The previous prime is 389727523. The next prime is 389727551. The reversal of 389727532 is 235727983.

It is a super-2 number, since 2×389727532² = 303775098397622048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136594 + ... + 139417.

It is an arithmetic number, because the mean of its divisors is an integer number (56996478).

Almost surely, 2^389727532 is an apocalyptic number.

It is an amenable number.

389727532 is a deficient number, since it is larger than the sum of its proper divisors (294230204).

389727532 is a wasteful number, since it uses less digits than its factorization.

389727532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276368 (or 276366 counting only the distinct ones).

The product of its digits is 635040, while the sum is 46.

The square root of 389727532 is about 19741.5179760828. The cubic root of 389727532 is about 730.4441732955. Note that the first 3 decimals are identical.

The spelling of 389727532 in words is "three hundred eighty-nine million, seven hundred twenty-seven thousand, five hundred thirty-two".