99191596 has 12 divisors (see below), whose sum is σ = 198383248. Its totient is φ = 42510672.

The previous prime is 99191593. The next prime is 99191623. The reversal of 99191596 is 69519199.

99191596 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (99191591) 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, 1771251 + ... + 1771306.

Almost surely, 2^99191596 is an apocalyptic number.

It is an amenable number.

99191596 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

99191596 is a wasteful number, since it uses less digits than its factorization.

99191596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542568 (or 3542566 counting only the distinct ones).

The product of its digits is 196830, while the sum is 49.

The square root of 99191596 is about 9959.4977785027. The cubic root of 99191596 is about 462.9047380855.

The spelling of 99191596 in words is "ninety-nine million, one hundred ninety-one thousand, five hundred ninety-six".