499730631 has 8 divisors (see below), whose sum is σ = 666417024. Its totient is φ = 333099000.

The previous prime is 499730599. The next prime is 499730669. The reversal of 499730631 is 136037994.

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

It is not a de Polignac number, because 499730631 - 2⁵ = 499730599 is a prime.

It is a super-2 number, since 2×499730631² = 499461407119316322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499730831) 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, 18256 + ... + 36506.

It is an arithmetic number, because the mean of its divisors is an integer number (83302128).

Almost surely, 2^499730631 is an apocalyptic number.

499730631 is a deficient number, since it is larger than the sum of its proper divisors (166686393).

499730631 is a wasteful number, since it uses less digits than its factorization.

499730631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27381.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 499730631 is about 22354.6556895873. The cubic root of 499730631 is about 793.5579681693.

The spelling of 499730631 in words is "four hundred ninety-nine million, seven hundred thirty thousand, six hundred thirty-one".