99999452 has 24 divisors (see below), whose sum is σ = 200534880. Its totient is φ = 42742080.

The previous prime is 99999439. The next prime is 99999481. The reversal of 99999452 is 25499999.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6302 + ... + 15482.

It is an arithmetic number, because the mean of its divisors is an integer number (8355620).

Almost surely, 2^99999452 is an apocalyptic number.

It is an amenable number.

99999452 is an abundant number, since it is smaller than the sum of its proper divisors (100535428).

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

99999452 is a wasteful number, since it uses less digits than its factorization.

99999452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9581 (or 9579 counting only the distinct ones).

The product of its digits is 2361960, while the sum is 56.

The square root of 99999452 is about 9999.9725999625. The cubic root of 99999452 is about 464.1580354962.

The spelling of 99999452 in words is "ninety-nine million, nine hundred ninety-nine thousand, four hundred fifty-two".