389652772 has 12 divisors (see below), whose sum is σ = 700322140. Its totient is φ = 189560736.

The previous prime is 389652763. The next prime is 389652773. The reversal of 389652772 is 277256983.

It can be written as a sum of positive squares in 2 ways, for example, as 306040036 + 83612736 = 17494^2 + 9144^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (389652773) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1316247 + ... + 1316542.

Almost surely, 2^389652772 is an apocalyptic number.

It is an amenable number.

389652772 is a deficient number, since it is larger than the sum of its proper divisors (310669368).

389652772 is a wasteful number, since it uses less digits than its factorization.

389652772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632830 (or 2632828 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The square root of 389652772 is about 19739.6244138535. The cubic root of 389652772 is about 730.3974641683.

The spelling of 389652772 in words is "three hundred eighty-nine million, six hundred fifty-two thousand, seven hundred seventy-two".