99944874 has 16 divisors (see below), whose sum is σ = 222099840. Its totient is φ = 33314940.

The previous prime is 99944863. The next prime is 99944891. The reversal of 99944874 is 47844999.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1850831 = 99944874 / (9 + 9 + 9 + 4 + 4 + 8 + 7 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 99944874.

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, 925362 + ... + 925469.

It is an arithmetic number, because the mean of its divisors is an integer number (13881240).

Almost surely, 2^99944874 is an apocalyptic number.

99944874 is an abundant number, since it is smaller than the sum of its proper divisors (122154966).

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

99944874 is a wasteful number, since it uses less digits than its factorization.

99944874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850842 (or 1850836 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 99944874 is about 9997.2433200358. The cubic root of 99944874 is about 464.0735769420.

The spelling of 99944874 in words is "ninety-nine million, nine hundred forty-four thousand, eight hundred seventy-four".