389524389 has 24 divisors (see below), whose sum is σ = 550734912. Its totient is φ = 244823040.

The previous prime is 389524361. The next prime is 389524397. The reversal of 389524389 is 983425983.

It is not a de Polignac number, because 389524389 - 2¹² = 389520293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389524319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110949 + ... + 114405.

It is an arithmetic number, because the mean of its divisors is an integer number (22947288).

Almost surely, 2^389524389 is an apocalyptic number.

It is an amenable number.

389524389 is a deficient number, since it is larger than the sum of its proper divisors (161210523).

389524389 is a wasteful number, since it uses less digits than its factorization.

389524389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577 (or 3554 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The square root of 389524389 is about 19736.3722350385. The cubic root of 389524389 is about 730.3172381100.

The spelling of 389524389 in words is "three hundred eighty-nine million, five hundred twenty-four thousand, three hundred eighty-nine".