99858000 has 320 divisors, whose sum is σ = 376047360. Its totient is φ = 22528000.

The previous prime is 99857957. The next prime is 99858023. The reversal of 99858000 is 85899.

It is a self number, because there is not a number n which added to its sum of digits gives 99858000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1121956 + ... + 1122044.

It is an arithmetic number, because the mean of its divisors is an integer number (1175148).

Almost surely, 2^99858000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99858000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188023680).

99858000 is an abundant number, since it is smaller than the sum of its proper divisors (276189360).

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

99858000 is a wasteful number, since it uses less digits than its factorization.

99858000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 99858000 is about 9992.8974777089. The cubic root of 99858000 is about 463.9390774155.

The spelling of 99858000 in words is "ninety-nine million, eight hundred fifty-eight thousand".