389277636 has 48 divisors (see below), whose sum is σ = 1002855168. Its totient is φ = 116538400.

The previous prime is 389277619. The next prime is 389277659. The reversal of 389277636 is 636772983.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6810 + ... + 28721.

It is an arithmetic number, because the mean of its divisors is an integer number (20892816).

Almost surely, 2^389277636 is an apocalyptic number.

It is an amenable number.

389277636 is an abundant number, since it is smaller than the sum of its proper divisors (613577532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389277636 is a wasteful number, since it uses less digits than its factorization.

389277636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35632 (or 35630 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 51.

The square root of 389277636 is about 19730.1200199086. The cubic root of 389277636 is about 730.1629935661.

The spelling of 389277636 in words is "three hundred eighty-nine million, two hundred seventy-seven thousand, six hundred thirty-six".