99997464 has 64 divisors (see below), whose sum is σ = 286467840. Its totient is φ = 28494720.

The previous prime is 99997459. The next prime is 99997493. The reversal of 99997464 is 46479999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102499 + ... + 103469.

It is an arithmetic number, because the mean of its divisors is an integer number (4476060).

Almost surely, 2^99997464 is an apocalyptic number.

It is an amenable number.

99997464 is an abundant number, since it is smaller than the sum of its proper divisors (186470376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99997464 is a wasteful number, since it uses less digits than its factorization.

99997464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600 (or 1596 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 57.

The square root of 99997464 is about 9999.8731991961. The cubic root of 99997464 is about 464.1549596383.

The spelling of 99997464 in words is "ninety-nine million, nine hundred ninety-seven thousand, four hundred sixty-four".