499764 has 12 divisors (see below), whose sum is σ = 1166144. Its totient is φ = 166584.

The previous prime is 499747. The next prime is 499781. The reversal of 499764 is 467994.

It is an interprime number because it is at equal distance from previous prime (499747) and next prime (499781).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

499764 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20812 + ... + 20835.

2⁴⁹⁹⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

499764 is an abundant number, since it is smaller than the sum of its proper divisors (666380).

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

499764 is a wasteful number, since it uses less digits than its factorization.

499764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41654 (or 41652 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 499764 is about 706.9398842900. The cubic root of 499764 is about 79.3575630782.

The spelling of 499764 in words is "four hundred ninety-nine thousand, seven hundred sixty-four".