99988734 has 8 divisors (see below), whose sum is σ = 199977480. Its totient is φ = 33329576.

The previous prime is 99988649. The next prime is 99988753. The reversal of 99988734 is 43788999.

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

99988734 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8332389 + ... + 8332400.

It is an arithmetic number, because the mean of its divisors is an integer number (24997185).

Almost surely, 2^99988734 is an apocalyptic number.

99988734 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.

99988734 is a wasteful number, since it uses less digits than its factorization.

99988734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16664794.

The product of its digits is 3919104, while the sum is 57.

The square root of 99988734 is about 9999.4366841338. The cubic root of 99988734 is about 464.1414519934.

The spelling of 99988734 in words is "ninety-nine million, nine hundred eighty-eight thousand, seven hundred thirty-four".