99402768 has 80 divisors (see below), whose sum is σ = 288076800. Its totient is φ = 32814720.

The previous prime is 99402767. The next prime is 99402829. The reversal of 99402768 is 86720499.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99402761) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 46033 + ... + 48143.

It is an arithmetic number, because the mean of its divisors is an integer number (3600960).

Almost surely, 2^99402768 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 99402768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144038400).

99402768 is an abundant number, since it is smaller than the sum of its proper divisors (188674032).

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

99402768 is a wasteful number, since it uses less digits than its factorization.

99402768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237 (or 2225 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 99402768 is about 9970.0936806030. The cubic root of 99402768 is about 463.2330025614.

The spelling of 99402768 in words is "ninety-nine million, four hundred two thousand, seven hundred sixty-eight".