574840 has 32 divisors (see below), whose sum is σ = 1478880. Its totient is φ = 196992.

The previous prime is 574817. The next prime is 574859. The reversal of 574840 is 48475.

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

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 574799 and 574808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747 + ... + 1306.

It is an arithmetic number, because the mean of its divisors is an integer number (46215).

2⁵⁷⁴⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

574840 is an abundant number, since it is smaller than the sum of its proper divisors (904040).

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

574840 is a wasteful number, since it uses less digits than its factorization.

574840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071 (or 2067 counting only the distinct ones).

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

The square root of 574840 is about 758.1820361892. The cubic root of 574840 is about 83.1474612828.

The spelling of 574840 in words is "five hundred seventy-four thousand, eight hundred forty".