99197319 has 16 divisors (see below), whose sum is σ = 144566912. Its totient is φ = 60131808.

The previous prime is 99197299. The next prime is 99197323. The reversal of 99197319 is 91379199.

It is not a de Polignac number, because 99197319 - 2⁷ = 99197191 is a prime.

It is a super-2 number, since 2×99197319² = 19680216193575522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99197339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16369 + ... + 21594.

It is an arithmetic number, because the mean of its divisors is an integer number (9035432).

Almost surely, 2^99197319 is an apocalyptic number.

99197319 is a deficient number, since it is larger than the sum of its proper divisors (45369593).

99197319 is a wasteful number, since it uses less digits than its factorization.

99197319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38046.

The product of its digits is 137781, while the sum is 48.

The square root of 99197319 is about 9959.7850880428. The cubic root of 99197319 is about 462.9136405630.

The spelling of 99197319 in words is "ninety-nine million, one hundred ninety-seven thousand, three hundred nineteen".