99428704 has 48 divisors (see below), whose sum is σ = 203742000. Its totient is φ = 47706624.

The previous prime is 99428663. The next prime is 99428711. The reversal of 99428704 is 40782499.

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 7 ways as a sum of consecutive naturals, for example, 284722 + ... + 285070.

It is an arithmetic number, because the mean of its divisors is an integer number (4244625).

Almost surely, 2^99428704 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 99428704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101871000).

99428704 is an abundant number, since it is smaller than the sum of its proper divisors (104313296).

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

99428704 is a wasteful number, since it uses less digits than its factorization.

99428704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 99428704 is about 9971.3942856553. The cubic root of 99428704 is about 463.2732877118.

The spelling of 99428704 in words is "ninety-nine million, four hundred twenty-eight thousand, seven hundred four".