574639 has 4 divisors (see below), whose sum is σ = 618856. Its totient is φ = 530424.

The previous prime is 574631. The next prime is 574643. The reversal of 574639 is 936475.

574639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 574639 - 2³ = 574631 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 (574631) 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, 22089 + ... + 22114.

It is an arithmetic number, because the mean of its divisors is an integer number (154714).

2⁵⁷⁴⁶³⁹ is an apocalyptic number.

574639 is a deficient number, since it is larger than the sum of its proper divisors (44217).

574639 is a wasteful number, since it uses less digits than its factorization.

574639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44216.

The product of its digits is 22680, while the sum is 34.

The square root of 574639 is about 758.0494706812. The cubic root of 574639 is about 83.1377689695.

The spelling of 574639 in words is "five hundred seventy-four thousand, six hundred thirty-nine".