99889074 has 12 divisors (see below), whose sum is σ = 216426366. Its totient is φ = 33296352.

The previous prime is 99889051. The next prime is 99889087. The reversal of 99889074 is 47098899.

It can be written as a sum of positive squares in only one way, i.e., 98903025 + 986049 = 9945^2 + 993^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 99889074.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2774679 + ... + 2774714.

Almost surely, 2^99889074 is an apocalyptic number.

99889074 is an abundant number, since it is smaller than the sum of its proper divisors (116537292).

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

99889074 is a wasteful number, since it uses less digits than its factorization.

99889074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5549401 (or 5549398 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 99889074 is about 9994.4521610742. The cubic root of 99889074 is about 463.9871955692.

The spelling of 99889074 in words is "ninety-nine million, eight hundred eighty-nine thousand, seventy-four".