494310636 has 18 divisors (see below), whose sum is σ = 1249507532. Its totient is φ = 164770200.

The previous prime is 494310611. The next prime is 494310643. The reversal of 494310636 is 636013494.

494310636 is a `hidden beast` number, since 4 + 9 + 4 + 3 + 10 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×494310636³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 13730851 = 494310636 / (4 + 9 + 4 + 3 + 1 + 0 + 6 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 494310636.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6865390 + ... + 6865461.

Almost surely, 2^494310636 is an apocalyptic number.

It is an amenable number.

494310636 is an abundant number, since it is smaller than the sum of its proper divisors (755196896).

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

494310636 is a wasteful number, since it uses less digits than its factorization.

494310636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13730861 (or 13730856 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 494310636 is about 22233.0977598714. The cubic root of 494310636 is about 790.6786008144.

The spelling of 494310636 in words is "four hundred ninety-four million, three hundred ten thousand, six hundred thirty-six".