99694272 has 112 divisors (see below), whose sum is σ = 274210272. Its totient is φ = 31948800.

The previous prime is 99694271. The next prime is 99694279. The reversal of 99694272 is 27249699.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (99694271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 987022 + ... + 987122.

It is an arithmetic number, because the mean of its divisors is an integer number (2448306).

Almost surely, 2^99694272 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 99694272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137105136).

99694272 is an abundant number, since it is smaller than the sum of its proper divisors (174516000).

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

99694272 is a wasteful number, since it uses less digits than its factorization.

99694272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 256 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 99694272 is about 9984.7018984044. The cubic root of 99694272 is about 463.6853792644.

It can be divided in two parts, 9969 and 4272, that added together give a palindrome (14241).

The spelling of 99694272 in words is "ninety-nine million, six hundred ninety-four thousand, two hundred seventy-two".