99997488 has 30 divisors (see below), whose sum is σ = 279854484. Its totient is φ = 33332448.

The previous prime is 99997459. The next prime is 99997493. The reversal of 99997488 is 88479999.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 347070 + ... + 347357.

Almost surely, 2^99997488 is an apocalyptic number.

It is an amenable number.

99997488 is an abundant number, since it is smaller than the sum of its proper divisors (179856996).

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

99997488 is a wasteful number, since it uses less digits than its factorization.

99997488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694441 (or 694432 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 63.

The square root of 99997488 is about 9999.8743992112. The cubic root of 99997488 is about 464.1549967717.

The spelling of 99997488 in words is "ninety-nine million, nine hundred ninety-seven thousand, four hundred eighty-eight".