99441612 has 18 divisors (see below), whose sum is σ = 251366388. Its totient is φ = 33147192.

The previous prime is 99441571. The next prime is 99441631. The reversal of 99441612 is 21614499.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2762267 = 99441612 / (9 + 9 + 4 + 4 + 1 + 6 + 1 + 2).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1381098 + ... + 1381169.

Almost surely, 2^99441612 is an apocalyptic number.

It is an amenable number.

99441612 is an abundant number, since it is smaller than the sum of its proper divisors (151924776).

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

99441612 is a wasteful number, since it uses less digits than its factorization.

99441612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762277 (or 2762272 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 99441612 is about 9972.0415161591. The cubic root of 99441612 is about 463.2933344810.

The spelling of 99441612 in words is "ninety-nine million, four hundred forty-one thousand, six hundred twelve".