99989150 has 24 divisors (see below), whose sum is σ = 186520800. Its totient is φ = 39879360.

The previous prime is 99989117. The next prime is 99989159. The reversal of 99989150 is 5198999.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99989159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15626 + ... + 21074.

It is an arithmetic number, because the mean of its divisors is an integer number (7771700).

Almost surely, 2^99989150 is an apocalyptic number.

99989150 is a deficient number, since it is larger than the sum of its proper divisors (86531650).

99989150 is a wasteful number, since it uses less digits than its factorization.

99989150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828 (or 5823 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 50.

The square root of 99989150 is about 9999.4574852839. The cubic root of 99989150 is about 464.1420956745.

The spelling of 99989150 in words is "ninety-nine million, nine hundred eighty-nine thousand, one hundred fifty".