99199369 has 4 divisors (see below), whose sum is σ = 105034644. Its totient is φ = 93364096.

The previous prime is 99199337. The next prime is 99199381. The reversal of 99199369 is 96399199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96399199 = 13 ⋅7415323.

It can be written as a sum of positive squares in 2 ways, for example, as 74597769 + 24601600 = 8637^2 + 4960^2 .

It is a cyclic number.

It is not a de Polignac number, because 99199369 - 2⁵ = 99199337 is a prime.

It is a super-2 number, since 2×99199369² = 19681029619996322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99199769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2917612 + ... + 2917645.

It is an arithmetic number, because the mean of its divisors is an integer number (26258661).

Almost surely, 2^99199369 is an apocalyptic number.

It is an amenable number.

99199369 is a deficient number, since it is larger than the sum of its proper divisors (5835275).

99199369 is a wasteful number, since it uses less digits than its factorization.

99199369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835274.

The product of its digits is 1062882, while the sum is 55.

The square root of 99199369 is about 9959.8880013783. Note that the first 3 decimals coincide. The cubic root of 99199369 is about 462.9168293805.

The spelling of 99199369 in words is "ninety-nine million, one hundred ninety-nine thousand, three hundred sixty-nine".