499997216 has 24 divisors (see below), whose sum is σ = 984867660. Its totient is φ = 249872128.

The previous prime is 499997203. The next prime is 499997219. The reversal of 499997216 is 612799994.

It can be written as a sum of positive squares in 2 ways, for example, as 488410000 + 11587216 = 22100^2 + 3404^2 .

It is not an unprimeable number, because it can be changed into a prime (499997219) 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, 123350 + ... + 127338.

Almost surely, 2^499997216 is an apocalyptic number.

It is an amenable number.

499997216 is a deficient number, since it is larger than the sum of its proper divisors (484870444).

499997216 is a wasteful number, since it uses less digits than its factorization.

499997216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916 (or 7908 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 56.

The square root of 499997216 is about 22360.6175227787. The cubic root of 499997216 is about 793.6990528732.

The spelling of 499997216 in words is "four hundred ninety-nine million, nine hundred ninety-seven thousand, two hundred sixteen".