99989268 has 24 divisors (see below), whose sum is σ = 236506368. Its totient is φ = 32872896.

The previous prime is 99989261. The next prime is 99989269. The reversal of 99989268 is 86298999.

It is a super-3 number, since 3×99989268³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99989261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56196 + ... + 57947.

It is an arithmetic number, because the mean of its divisors is an integer number (9854432).

Almost surely, 2^99989268 is an apocalyptic number.

It is an amenable number.

99989268 is an abundant number, since it is smaller than the sum of its proper divisors (136517100).

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

99989268 is a wasteful number, since it uses less digits than its factorization.

99989268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114223 (or 114221 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 60.

The square root of 99989268 is about 9999.4633856022. The cubic root of 99989268 is about 464.1422782568.

The spelling of 99989268 in words is "ninety-nine million, nine hundred eighty-nine thousand, two hundred sixty-eight".