99347872 has 48 divisors (see below), whose sum is σ = 213373440. Its totient is φ = 45257472.

The previous prime is 99347863. The next prime is 99347933. The reversal of 99347872 is 27874399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31353 + ... + 34375.

It is an arithmetic number, because the mean of its divisors is an integer number (4445280).

Almost surely, 2^99347872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99347872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106686720).

99347872 is an abundant number, since it is smaller than the sum of its proper divisors (114025568).

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

99347872 is a wasteful number, since it uses less digits than its factorization.

99347872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125 (or 3117 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The square root of 99347872 is about 9967.3402670923. The cubic root of 99347872 is about 463.1477121076.

The spelling of 99347872 in words is "ninety-nine million, three hundred forty-seven thousand, eight hundred seventy-two".