389572 has 18 divisors (see below), whose sum is σ = 726362. Its totient is φ = 182784.

The previous prime is 389569. The next prime is 389579. The reversal of 389572 is 275983.

It can be written as a sum of positive squares in 3 ways, for example, as 112896 + 276676 = 336^2 + 526^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (389579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 988 + ... + 1324.

389572 is a Friedman number, since it can be written as 5^8-39*27, using all its digits and the basic arithmetic operations.

2³⁸⁹⁵⁷² is an apocalyptic number.

It is an amenable number.

389572 is a deficient number, since it is larger than the sum of its proper divisors (336790).

389572 is a wasteful number, since it uses less digits than its factorization.

389572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 356 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 389572 is about 624.1570315233. The cubic root of 389572 is about 73.0346992103.

It can be divided in two parts, 389 and 572, that added together give a square (961 = 31²).

The spelling of 389572 in words is "three hundred eighty-nine thousand, five hundred seventy-two".