389624 has 16 divisors (see below), whose sum is σ = 738720. Its totient is φ = 192640.

The previous prime is 389621. The next prime is 389629. The reversal of 389624 is 426983.

It is a super-2 number, since 2×389624² = 303613722752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689 + ... + 1119.

It is an arithmetic number, because the mean of its divisors is an integer number (46170).

2³⁸⁹⁶²⁴ is an apocalyptic number.

It is an amenable number.

389624 is a deficient number, since it is larger than the sum of its proper divisors (349096).

389624 is a wasteful number, since it uses less digits than its factorization.

389624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 546 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 389624 is about 624.1986863171. The cubic root of 389624 is about 73.0379486185.

The spelling of 389624 in words is "three hundred eighty-nine thousand, six hundred twenty-four".