389392 has 10 divisors (see below), whose sum is σ = 754478. Its totient is φ = 194688.

The previous prime is 389381. The next prime is 389399. The reversal of 389392 is 293983.

389392 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 389376 + 16 = 624^2 + 4^2 .

It is a super-2 number, since 2×389392² = 303252259328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (389399) by changing a digit.

389392 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12153 + ... + 12184.

2³⁸⁹³⁹² is an apocalyptic number.

It is an amenable number.

389392 is a deficient number, since it is larger than the sum of its proper divisors (365086).

389392 is a wasteful number, since it uses less digits than its factorization.

389392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24345 (or 24339 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 389392 is about 624.0128203811. The cubic root of 389392 is about 73.0234490254.

The spelling of 389392 in words is "three hundred eighty-nine thousand, three hundred ninety-two".