99906272 has 24 divisors (see below), whose sum is σ = 200405016. Its totient is φ = 49009792.

The previous prime is 99906269. The next prime is 99906277. The reversal of 99906272 is 27260999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99906277) 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, 27758 + ... + 31149.

It is an arithmetic number, because the mean of its divisors is an integer number (8350209).

Almost surely, 2^99906272 is an apocalyptic number.

It is an amenable number.

99906272 is an abundant number, since it is smaller than the sum of its proper divisors (100498744).

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

99906272 is a wasteful number, since it uses less digits than its factorization.

99906272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58970 (or 58962 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 99906272 is about 9995.3125013678. The cubic root of 99906272 is about 464.0138224182.

The spelling of 99906272 in words is "ninety-nine million, nine hundred six thousand, two hundred seventy-two".