499999761 has 12 divisors (see below), whose sum is σ = 733002192. Its totient is φ = 328357656.

The previous prime is 499999751. The next prime is 499999831. The reversal of 499999761 is 167999994.

It is not a de Polignac number, because 499999761 - 2⁶ = 499999697 is a prime.

It is a super-2 number, since 2×499999761² = 499999522000114242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (499999751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 413991 + ... + 415196.

It is an arithmetic number, because the mean of its divisors is an integer number (61083516).

Almost surely, 2^499999761 is an apocalyptic number.

It is an amenable number.

499999761 is a deficient number, since it is larger than the sum of its proper divisors (233002431).

499999761 is a wasteful number, since it uses less digits than its factorization.

499999761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829260 (or 829257 counting only the distinct ones).

The product of its digits is 9920232, while the sum is 63.

The square root of 499999761 is about 22360.6744307948. The cubic root of 499999761 is about 793.7003995211.

The spelling of 499999761 in words is "four hundred ninety-nine million, nine hundred ninety-nine thousand, seven hundred sixty-one".