999457496 has 8 divisors (see below), whose sum is σ = 1873982820. Its totient is φ = 499728744.

The previous prime is 999457477. The next prime is 999457499. The reversal of 999457496 is 694754999.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999457499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62466086 + ... + 62466101.

Almost surely, 2^999457496 is an apocalyptic number.

It is an amenable number.

999457496 is a deficient number, since it is larger than the sum of its proper divisors (874525324).

999457496 is a wasteful number, since it uses less digits than its factorization.

999457496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124932193 (or 124932189 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 62.

The square root of 999457496 is about 31614.1976966046. The cubic root of 999457496 is about 999.8191326223.

The spelling of 999457496 in words is "nine hundred ninety-nine million, four hundred fifty-seven thousand, four hundred ninety-six".