99680252 has 48 divisors (see below), whose sum is σ = 214781952. Its totient is φ = 39536640.

The previous prime is 99680249. The next prime is 99680281. The reversal of 99680252 is 25208699.

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, 17468 + ... + 22460.

It is an arithmetic number, because the mean of its divisors is an integer number (4474624).

Almost surely, 2^99680252 is an apocalyptic number.

99680252 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99680252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107390976).

99680252 is an abundant number, since it is smaller than the sum of its proper divisors (115101700).

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

99680252 is a wasteful number, since it uses less digits than its factorization.

99680252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058 (or 5056 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 99680252 is about 9983.9997996795. Note that the first 3 decimals coincide. The cubic root of 99680252 is about 463.6636422290.

The spelling of 99680252 in words is "ninety-nine million, six hundred eighty thousand, two hundred fifty-two".