99783942 has 8 divisors (see below), whose sum is σ = 199567896. Its totient is φ = 33261312.

The previous prime is 99783923. The next prime is 99783989. The reversal of 99783942 is 24938799.

It is a sphenic number, since it is the product of 3 distinct primes.

99783942 is an admirable number.

It is a congruent number.

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, 8315323 + ... + 8315334.

It is an arithmetic number, because the mean of its divisors is an integer number (24945987).

Almost surely, 2^99783942 is an apocalyptic number.

99783942 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.

99783942 is a wasteful number, since it uses less digits than its factorization.

99783942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16630662.

The product of its digits is 979776, while the sum is 51.

The square root of 99783942 is about 9989.1912585554. The cubic root of 99783942 is about 463.8243581893.

The spelling of 99783942 in words is "ninety-nine million, seven hundred eighty-three thousand, nine hundred forty-two".