99000825 has 144 divisors (see below), whose sum is σ = 217128960. Its totient is φ = 39312000.

The previous prime is 99000817. The next prime is 99000851. The reversal of 99000825 is 52800099.

It is not a de Polignac number, because 99000825 - 2³ = 99000817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1253136 + ... + 1253214.

It is an arithmetic number, because the mean of its divisors is an integer number (1507840).

Almost surely, 2^99000825 is an apocalyptic number.

It is an amenable number.

99000825 is an abundant number, since it is smaller than the sum of its proper divisors (118128135).

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

99000825 is a wasteful number, since it uses less digits than its factorization.

99000825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 99000825 is about 9949.9158287897. The cubic root of 99000825 is about 462.6077859328.

99000825 divided by its sum of digits (33) gives a triangular number (3000025 = T₂₄₄₉).

The spelling of 99000825 in words is "ninety-nine million, eight hundred twenty-five", and thus it is an aban number.