99320256 has 420 divisors, whose sum is σ = 378397008. Its totient is φ = 25546752.

The previous prime is 99320231. The next prime is 99320257. The reversal of 99320256 is 65202399.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 99320256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99320257) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4318261 + ... + 4318283.

Almost surely, 2^99320256 is an apocalyptic number.

99320256 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99320256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189198504).

99320256 is an abundant number, since it is smaller than the sum of its proper divisors (279076752).

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

99320256 is a wasteful number, since it uses less digits than its factorization.

99320256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 99320256 is about 9965.9548463757. The cubic root of 99320256 is about 463.1047939848.

The spelling of 99320256 in words is "ninety-nine million, three hundred twenty thousand, two hundred fifty-six".