99245620 has 24 divisors (see below), whose sum is σ = 209196288. Its totient is φ = 39549600.

The previous prime is 99245599. The next prime is 99245659. The reversal of 99245620 is 2654299.

It is a self number, because there is not a number n which added to its sum of digits gives 99245620.

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, 3736 + ... + 14575.

It is an arithmetic number, because the mean of its divisors is an integer number (8716512).

Almost surely, 2^99245620 is an apocalyptic number.

It is an amenable number.

99245620 is an abundant number, since it is smaller than the sum of its proper divisors (109950668).

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

99245620 is a wasteful number, since it uses less digits than its factorization.

99245620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18591 (or 18589 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 99245620 is about 9962.2095942617. The cubic root of 99245620 is about 462.9887620949.

The spelling of 99245620 in words is "ninety-nine million, two hundred forty-five thousand, six hundred twenty".