574649 has 4 divisors (see below), whose sum is σ = 577764. Its totient is φ = 571536.

The previous prime is 574643. The next prime is 574657. The reversal of 574649 is 946475.

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

It can be written as a sum of positive squares in 2 ways, for example, as 570025 + 4624 = 755^2 + 68^2 .

It is a cyclic number.

It is not a de Polignac number, because 574649 - 2⁸ = 574393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (574643) 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, 1262 + ... + 1655.

It is an arithmetic number, because the mean of its divisors is an integer number (144441).

2⁵⁷⁴⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

574649 is a deficient number, since it is larger than the sum of its proper divisors (3115).

574649 is a wasteful number, since it uses less digits than its factorization.

574649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3114.

The product of its digits is 30240, while the sum is 35.

The square root of 574649 is about 758.0560665281. The cubic root of 574649 is about 83.1382512276.

The spelling of 574649 in words is "five hundred seventy-four thousand, six hundred forty-nine".