499668732 has 36 divisors (see below), whose sum is σ = 1263979080. Its totient is φ = 166433952.

The previous prime is 499668731. The next prime is 499668737. The reversal of 499668732 is 237866994.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499668731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53998 + ... + 62570.

It is an arithmetic number, because the mean of its divisors is an integer number (35110530).

Almost surely, 2^499668732 is an apocalyptic number.

It is an amenable number.

499668732 is an abundant number, since it is smaller than the sum of its proper divisors (764310348).

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

499668732 is a wasteful number, since it uses less digits than its factorization.

499668732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10202 (or 10197 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 499668732 is about 22353.2711700100. The cubic root of 499668732 is about 793.5252022017.

The spelling of 499668732 in words is "four hundred ninety-nine million, six hundred sixty-eight thousand, seven hundred thirty-two".