99784748 has 12 divisors (see below), whose sum is σ = 199569552. Its totient is φ = 42764880.

The previous prime is 99784733. The next prime is 99784831. The reversal of 99784748 is 84748799.

99784748 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 99784693 and 99784702.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1781843 + ... + 1781898.

It is an arithmetic number, because the mean of its divisors is an integer number (16630796).

Almost surely, 2^99784748 is an apocalyptic number.

It is an amenable number.

99784748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

99784748 is a wasteful number, since it uses less digits than its factorization.

99784748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563752 (or 3563750 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 56.

The square root of 99784748 is about 9989.2316020803. The cubic root of 99784748 is about 463.8256070256.

The spelling of 99784748 in words is "ninety-nine million, seven hundred eighty-four thousand, seven hundred forty-eight".