99280608 has 48 divisors (see below), whose sum is σ = 297843840. Its totient is φ = 28365696.

The previous prime is 99280603. The next prime is 99280609. The reversal of 99280608 is 80608299.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 99280608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99280603) 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, 73198 + ... + 74541.

It is an arithmetic number, because the mean of its divisors is an integer number (6205080).

Almost surely, 2^99280608 is an apocalyptic number.

It is an amenable number.

99280608 is an abundant number, since it is smaller than the sum of its proper divisors (198563232).

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

99280608 is a wasteful number, since it uses less digits than its factorization.

99280608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147759 (or 147751 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 99280608 is about 9963.9654756528. The cubic root of 99280608 is about 463.0431629762.

The spelling of 99280608 in words is "ninety-nine million, two hundred eighty thousand, six hundred eight".