499980392 has 8 divisors (see below), whose sum is σ = 937463250. Its totient is φ = 249990192.

The previous prime is 499980391. The next prime is 499980413. The reversal of 499980392 is 293089994.

It can be written as a sum of positive squares in only one way, i.e., 492218596 + 7761796 = 22186^2 + 2786^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (499980391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31248767 + ... + 31248782.

Almost surely, 2^499980392 is an apocalyptic number.

It is an amenable number.

499980392 is a deficient number, since it is larger than the sum of its proper divisors (437482858).

499980392 is a wasteful number, since it uses less digits than its factorization.

499980392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62497555 (or 62497551 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 53.

The square root of 499980392 is about 22360.2413224902. The cubic root of 499980392 is about 793.6901505952.

The spelling of 499980392 in words is "four hundred ninety-nine million, nine hundred eighty thousand, three hundred ninety-two".