499765 has 16 divisors (see below), whose sum is σ = 696960. Its totient is φ = 336960.

The previous prime is 499747. The next prime is 499781. The reversal of 499765 is 567994.

It is not a de Polignac number, because 499765 - 2⁷ = 499637 is a prime.

Its product of digits (68040) is a multiple of the sum of its prime divisors (252).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3750 + ... + 3880.

It is an arithmetic number, because the mean of its divisors is an integer number (43560).

2⁴⁹⁹⁷⁶⁵ is an apocalyptic number.

It is an amenable number.

499765 is a deficient number, since it is larger than the sum of its proper divisors (197195).

499765 is a wasteful number, since it uses less digits than its factorization.

499765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its digits is 68040, while the sum is 40.

The square root of 499765 is about 706.9405915634. The cubic root of 499765 is about 79.3576160082.

The spelling of 499765 in words is "four hundred ninety-nine thousand, seven hundred sixty-five".