499986004 has 18 divisors (see below), whose sum is σ = 1017829050. Its totient is φ = 214279632.

The previous prime is 499985987. The next prime is 499986043. The reversal of 499986004 is 400689994.

It can be written as a sum of positive squares in only one way, i.e., 394101904 + 105884100 = 19852^2 + 10290^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1275279 + ... + 1275670.

Almost surely, 2^499986004 is an apocalyptic number.

It is an amenable number.

499986004 is an abundant number, since it is smaller than the sum of its proper divisors (517843046).

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

499986004 is a wasteful number, since it uses less digits than its factorization.

499986004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550967 (or 2550958 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 499986004 is about 22360.3668127336. The cubic root of 499986004 is about 793.6931201600.

The spelling of 499986004 in words is "four hundred ninety-nine million, nine hundred eighty-six thousand, four".