508942986 has 8 divisors (see below), whose sum is σ = 1017885984. Its totient is φ = 169647660.

The previous prime is 508942927. The next prime is 508943009. The reversal of 508942986 is 689249805.

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

508942986 is an admirable number.

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, 42411910 + ... + 42411921.

It is an arithmetic number, because the mean of its divisors is an integer number (127235748).

Almost surely, 2^508942986 is an apocalyptic number.

508942986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

508942986 is a wasteful number, since it uses less digits than its factorization.

508942986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84823836.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 508942986 is about 22559.7647594118. The cubic root of 508942986 is about 798.4046257997.

The spelling of 508942986 in words is "five hundred eight million, nine hundred forty-two thousand, nine hundred eighty-six".