99997460 has 24 divisors (see below), whose sum is σ = 211215816. Its totient is φ = 39766400.

The previous prime is 99997459. The next prime is 99997493. The reversal of 99997460 is 6479999.

It can be written as a sum of positive squares in 4 ways, for example, as 66031876 + 33965584 = 8126^2 + 5828^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10991 + ... + 17910.

It is an arithmetic number, because the mean of its divisors is an integer number (8800659).

Almost surely, 2^99997460 is an apocalyptic number.

It is an amenable number.

99997460 is an abundant number, since it is smaller than the sum of its proper divisors (111218356).

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

99997460 is a wasteful number, since it uses less digits than its factorization.

99997460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29083 (or 29081 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 53.

The square root of 99997460 is about 9999.8729991935. The cubic root of 99997460 is about 464.1549534495.

The spelling of 99997460 in words is "ninety-nine million, nine hundred ninety-seven thousand, four hundred sixty".