556839340 has 12 divisors (see below), whose sum is σ = 1169362656. Its totient is φ = 222735728.

The previous prime is 556839337. The next prime is 556839389. The reversal of 556839340 is 43938655.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13920964 + ... + 13921003.

It is an arithmetic number, because the mean of its divisors is an integer number (97446888).

Almost surely, 2^556839340 is an apocalyptic number.

It is an amenable number.

556839340 is an abundant number, since it is smaller than the sum of its proper divisors (612523316).

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

556839340 is a wasteful number, since it uses less digits than its factorization.

556839340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27841976 (or 27841974 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 556839340 is about 23597.4435056003. The cubic root of 556839340 is about 822.7034212598.

The spelling of 556839340 in words is "five hundred fifty-six million, eight hundred thirty-nine thousand, three hundred forty".