499990769 has 8 divisors (see below), whose sum is σ = 517518720. Its totient is φ = 482482000.

The previous prime is 499990759. The next prime is 499990781. The reversal of 499990769 is 967099994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 499990769 - 2¹⁶ = 499925233 is a prime.

It is a super-2 number, since 2×499990769² = 499981538170422722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499990759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66344 + ... + 73494.

It is an arithmetic number, because the mean of its divisors is an integer number (64689840).

Almost surely, 2^499990769 is an apocalyptic number.

It is an amenable number.

499990769 is a deficient number, since it is larger than the sum of its proper divisors (17527951).

499990769 is a wasteful number, since it uses less digits than its factorization.

499990769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9591.

The product of its (nonzero) digits is 9920232, while the sum is 62.

The square root of 499990769 is about 22360.4733626102. The cubic root of 499990769 is about 793.6956415210.

The spelling of 499990769 in words is "four hundred ninety-nine million, nine hundred ninety thousand, seven hundred sixty-nine".