99199471 has 12 divisors (see below), whose sum is σ = 122184288. Its totient is φ = 80025792.

The previous prime is 99199447. The next prime is 99199487. The reversal of 99199471 is 17499199.

It is a happy number.

It is not a de Polignac number, because 99199471 - 2⁵ = 99199439 is a prime.

It is a super-3 number, since 3×99199471³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99199421) 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, 58711 + ... + 60376.

It is an arithmetic number, because the mean of its divisors is an integer number (10182024).

Almost surely, 2^99199471 is an apocalyptic number.

99199471 is a deficient number, since it is larger than the sum of its proper divisors (22984817).

99199471 is a wasteful number, since it uses less digits than its factorization.

99199471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119118 (or 119111 counting only the distinct ones).

The product of its digits is 183708, while the sum is 49.

The square root of 99199471 is about 9959.8931219165. The cubic root of 99199471 is about 462.9169880424.

The spelling of 99199471 in words is "ninety-nine million, one hundred ninety-nine thousand, four hundred seventy-one".