572989 has 4 divisors (see below), whose sum is σ = 578656. Its totient is φ = 567324.

The previous prime is 572969. The next prime is 572993. The reversal of 572989 is 989275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 572989 - 2¹³ = 564797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572909) 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, 2679 + ... + 2884.

It is an arithmetic number, because the mean of its divisors is an integer number (144664).

2⁵⁷²⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

572989 is a deficient number, since it is larger than the sum of its proper divisors (5667).

572989 is a wasteful number, since it uses less digits than its factorization.

572989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666.

The product of its digits is 45360, while the sum is 40.

The square root of 572989 is about 756.9603688437. The cubic root of 572989 is about 83.0581196452.

The spelling of 572989 in words is "five hundred seventy-two thousand, nine hundred eighty-nine".