99869574 has 16 divisors (see below), whose sum is σ = 228273408. Its totient is φ = 28534152.

The previous prime is 99869573. The next prime is 99869579. The reversal of 99869574 is 47596899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99869573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188882 + ... + 1188965.

It is an arithmetic number, because the mean of its divisors is an integer number (14267088).

Almost surely, 2^99869574 is an apocalyptic number.

99869574 is an abundant number, since it is smaller than the sum of its proper divisors (128403834).

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

99869574 is a wasteful number, since it uses less digits than its factorization.

99869574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377859.

The product of its digits is 4898880, while the sum is 57.

The square root of 99869574 is about 9993.4765722445. The cubic root of 99869574 is about 463.9570009450.

The spelling of 99869574 in words is "ninety-nine million, eight hundred sixty-nine thousand, five hundred seventy-four".