499697444 has 12 divisors (see below), whose sum is σ = 875311500. Its totient is φ = 249608448.

The previous prime is 499697441. The next prime is 499697449. The reversal of 499697444 is 444796994.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 484000000 + 15697444 = 22000^2 + 3962^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 499697444.

It is not an unprimeable number, because it can be changed into a prime (499697441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55349 + ... + 63740.

It is an arithmetic number, because the mean of its divisors is an integer number (72942625).

Almost surely, 2^499697444 is an apocalyptic number.

It is an amenable number.

499697444 is a deficient number, since it is larger than the sum of its proper divisors (375614056).

499697444 is a wasteful number, since it uses less digits than its factorization.

499697444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120142 (or 120140 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 56.

The square root of 499697444 is about 22353.9133934083. The cubic root of 499697444 is about 793.5404011110.

The spelling of 499697444 in words is "four hundred ninety-nine million, six hundred ninety-seven thousand, four hundred forty-four".