428572 has 12 divisors (see below), whose sum is σ = 754600. Its totient is φ = 212976.

The previous prime is 428569. The next prime is 428579. The reversal of 428572 is 275824.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 428572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428579) 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, 1054 + ... + 1402.

2⁴²⁸⁵⁷² is an apocalyptic number.

It is an amenable number.

428572 is a deficient number, since it is larger than the sum of its proper divisors (326028).

428572 is a wasteful number, since it uses less digits than its factorization.

428572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 658 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 428572 is about 654.6541071436. The cubic root of 428572 is about 75.3947776217.

It can be divided in two parts, 428 and 572, that added together give a cube (1000 = 10³).

The spelling of 428572 in words is "four hundred twenty-eight thousand, five hundred seventy-two".