494579556 has 36 divisors (see below), whose sum is σ = 1280683404. Its totient is φ = 160838400.

The previous prime is 494579551. The next prime is 494579563. The reversal of 494579556 is 655975494.

494579556 is a `hidden beast` number, since 49 + 45 + 7 + 9 + 556 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48525156 + 446054400 = 6966^2 + 21120^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×494579556³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (494579551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166065 + ... + 169016.

It is an arithmetic number, because the mean of its divisors is an integer number (35574539).

Almost surely, 2^494579556 is an apocalyptic number.

It is an amenable number.

494579556 is an abundant number, since it is smaller than the sum of its proper divisors (786103848).

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

494579556 is a wasteful number, since it uses less digits than its factorization.

494579556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335132 (or 335127 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 54.

The square root of 494579556 is about 22239.1446777973. The cubic root of 494579556 is about 790.8219592119.

The spelling of 494579556 in words is "four hundred ninety-four million, five hundred seventy-nine thousand, five hundred fifty-six".