389544532 has 12 divisors (see below), whose sum is σ = 734141716. Its totient is φ = 179789760.

The previous prime is 389544503. The next prime is 389544599. The reversal of 389544532 is 235445983.

It can be written as a sum of positive squares in 2 ways, for example, as 28772496 + 360772036 = 5364^2 + 18994^2 .

It is a super-2 number, since 2×389544532² = 303489884822198048, which contains 22 as substring.

It is a zygodrome in base 12.

It is a congruent number.

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, 3745569 + ... + 3745672.

Almost surely, 2^389544532 is an apocalyptic number.

It is an amenable number.

389544532 is a deficient number, since it is larger than the sum of its proper divisors (344597184).

389544532 is a wasteful number, since it uses less digits than its factorization.

389544532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7491258 (or 7491256 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The square root of 389544532 is about 19736.8825299235. The cubic root of 389544532 is about 730.3298265614.

The spelling of 389544532 in words is "three hundred eighty-nine million, five hundred forty-four thousand, five hundred thirty-two".