389532772 has 6 divisors (see below), whose sum is σ = 681682358. Its totient is φ = 194766384.

The previous prime is 389532739. The next prime is 389532791. The reversal of 389532772 is 277235983.

It can be written as a sum of positive squares in only one way, i.e., 344696356 + 44836416 = 18566^2 + 6696^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48691593 + ... + 48691600.

Almost surely, 2^389532772 is an apocalyptic number.

It is an amenable number.

389532772 is a deficient number, since it is larger than the sum of its proper divisors (292149586).

389532772 is a wasteful number, since it uses less digits than its factorization.

389532772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97383197 (or 97383195 counting only the distinct ones).

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

The square root of 389532772 is about 19736.5846082852. The cubic root of 389532772 is about 730.3224771533.

The spelling of 389532772 in words is "three hundred eighty-nine million, five hundred thirty-two thousand, seven hundred seventy-two".