99090874 has 4 divisors (see below), whose sum is σ = 148636314. Its totient is φ = 49545436.

The previous prime is 99090869. The next prime is 99090967. The reversal of 99090874 is 47809099.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 87291649 + 11799225 = 9343^2 + 3435^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24772717 + ... + 24772720.

Almost surely, 2^99090874 is an apocalyptic number.

99090874 is a deficient number, since it is larger than the sum of its proper divisors (49545440).

99090874 is a wasteful number, since it uses less digits than its factorization.

99090874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49545439.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 99090874 is about 9954.4399139279. The cubic root of 99090874 is about 462.7480027598.

The spelling of 99090874 in words is "ninety-nine million, ninety thousand, eight hundred seventy-four".