494118986 has 8 divisors (see below), whose sum is σ = 745019364. Its totient is φ = 245779200.

The previous prime is 494118973. The next prime is 494119001. The reversal of 494118986 is 689811494.

It can be written as a sum of positive squares in 2 ways, for example, as 457746025 + 36372961 = 21395^2 + 6031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 639665 + ... + 640436.

Almost surely, 2^494118986 is an apocalyptic number.

494118986 is a deficient number, since it is larger than the sum of its proper divisors (250900378).

494118986 is a wasteful number, since it uses less digits than its factorization.

494118986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280296.

The product of its digits is 497664, while the sum is 50.

The square root of 494118986 is about 22228.7873263478. The cubic root of 494118986 is about 790.5764024996.

The spelling of 494118986 in words is "four hundred ninety-four million, one hundred eighteen thousand, nine hundred eighty-six".