99903744 has 108 divisors (see below), whose sum is σ = 291122832. Its totient is φ = 32947200.

The previous prime is 99903709. The next prime is 99903751. The reversal of 99903744 is 44730999.

It is a self number, because there is not a number n which added to its sum of digits gives 99903744.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301659 + ... + 301989.

Almost surely, 2^99903744 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 99903744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145561416).

99903744 is an abundant number, since it is smaller than the sum of its proper divisors (191219088).

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

99903744 is a wasteful number, since it uses less digits than its factorization.

99903744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 99903744 is about 9995.1860412901. The cubic root of 99903744 is about 464.0099086271.

The spelling of 99903744 in words is "ninety-nine million, nine hundred three thousand, seven hundred forty-four".