389472 has 24 divisors (see below), whose sum is σ = 1022616. Its totient is φ = 129792.

The previous prime is 389461. The next prime is 389479. The reversal of 389472 is 274983.

It is a tau number, because it is divible by the number of its divisors (24).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389479) by changing a digit.

389472 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 in 3 ways as a sum of consecutive naturals, for example, 1933 + ... + 2124.

It is an arithmetic number, because the mean of its divisors is an integer number (42609).

2³⁸⁹⁴⁷² is an apocalyptic number.

389472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

389472 is an abundant number, since it is smaller than the sum of its proper divisors (633144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389472 is a wasteful number, since it uses less digits than its factorization.

389472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070 (or 4062 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 389472 is about 624.0769183362. The cubic root of 389472 is about 73.0284495355.

It can be divided in two parts, 389 and 472, that added together give a triangular number (861 = T₄₁).

The spelling of 389472 in words is "three hundred eighty-nine thousand, four hundred seventy-two".