499685508 has 36 divisors (see below), whose sum is σ = 1443536640. Its totient is φ = 142767216.

The previous prime is 499685479. The next prime is 499685513. The reversal of 499685508 is 805586994.

It is a happy number.

499685508 is a `hidden beast` number, since 49 + 96 + 8 + 5 + 508 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 991188 + ... + 991691.

It is an arithmetic number, because the mean of its divisors is an integer number (40098240).

Almost surely, 2^499685508 is an apocalyptic number.

It is an amenable number.

499685508 is an abundant number, since it is smaller than the sum of its proper divisors (943851132).

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

499685508 is a wasteful number, since it uses less digits than its factorization.

499685508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982896 (or 1982891 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The square root of 499685508 is about 22353.6464139522. The cubic root of 499685508 is about 793.5340827720.

The spelling of 499685508 in words is "four hundred ninety-nine million, six hundred eighty-five thousand, five hundred eight".