499218837 has 32 divisors (see below), whose sum is σ = 739062912. Its totient is φ = 297748224.

The previous prime is 499218827. The next prime is 499218851. The reversal of 499218837 is 738812994.

It is not a de Polignac number, because 499218837 - 2⁸ = 499218581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 499218837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499218817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 500223 + ... + 501219.

It is an arithmetic number, because the mean of its divisors is an integer number (23095716).

Almost surely, 2^499218837 is an apocalyptic number.

It is an amenable number.

499218837 is a deficient number, since it is larger than the sum of its proper divisors (239844075).

499218837 is a wasteful number, since it uses less digits than its factorization.

499218837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397.

The product of its digits is 870912, while the sum is 51.

The square root of 499218837 is about 22343.2056115500. The cubic root of 499218837 is about 793.2869708840.

The spelling of 499218837 in words is "four hundred ninety-nine million, two hundred eighteen thousand, eight hundred thirty-seven".