99557694 has 32 divisors (see below), whose sum is σ = 222539040. Its totient is φ = 32990976.

The previous prime is 99557687. The next prime is 99557723. The reversal of 99557694 is 49675599.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 99557694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4014 + ... + 14670.

It is an arithmetic number, because the mean of its divisors is an integer number (6954345).

Almost surely, 2^99557694 is an apocalyptic number.

99557694 is an abundant number, since it is smaller than the sum of its proper divisors (122981346).

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

99557694 is a wasteful number, since it uses less digits than its factorization.

99557694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10841 (or 10835 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 54.

The square root of 99557694 is about 9977.8601914439. The cubic root of 99557694 is about 463.4735377274.

The spelling of 99557694 in words is "ninety-nine million, five hundred fifty-seven thousand, six hundred ninety-four".