568402 has 4 divisors (see below), whose sum is σ = 852606. Its totient is φ = 284200.

The previous prime is 568391. The next prime is 568433. The reversal of 568402 is 204865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204865 = 5 ⋅40973.

It can be written as a sum of positive squares in only one way, i.e., 549081 + 19321 = 741^2 + 139^2 .

It is an unprimeable number.

568402 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142099 + ... + 142102.

2⁵⁶⁸⁴⁰² is an apocalyptic number.

568402 is a deficient number, since it is larger than the sum of its proper divisors (284204).

568402 is a wasteful number, since it uses less digits than its factorization.

568402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284203.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 568402 is about 753.9243993929. The cubic root of 568402 is about 82.8358880422.

The spelling of 568402 in words is "five hundred sixty-eight thousand, four hundred two".