499774215 has 16 divisors (see below), whose sum is σ = 819143136. Its totient is φ = 260044800.

The previous prime is 499774181. The next prime is 499774217. The reversal of 499774215 is 512477994.

It is not a de Polignac number, because 499774215 - 2⁶ = 499774151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499774217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405706 + ... + 406935.

It is an arithmetic number, because the mean of its divisors is an integer number (51196446).

Almost surely, 2^499774215 is an apocalyptic number.

499774215 is a deficient number, since it is larger than the sum of its proper divisors (319368921).

499774215 is a wasteful number, since it uses less digits than its factorization.

499774215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812690.

The product of its digits is 635040, while the sum is 48.

The square root of 499774215 is about 22355.6304988251. The cubic root of 499774215 is about 793.5810375477.

The spelling of 499774215 in words is "four hundred ninety-nine million, seven hundred seventy-four thousand, two hundred fifteen".