99350280 has 128 divisors (see below), whose sum is σ = 336355200. Its totient is φ = 26078976.

The previous prime is 99350243. The next prime is 99350287. The reversal of 99350280 is 8205399.

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

It is not an unprimeable number, because it can be changed into a prime (99350287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71674 + ... + 73046.

It is an arithmetic number, because the mean of its divisors is an integer number (2627775).

Almost surely, 2^99350280 is an apocalyptic number.

99350280 is a gapful number since it is divisible by the number (90) 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 99350280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168177600).

99350280 is an abundant number, since it is smaller than the sum of its proper divisors (237004920).

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

99350280 is a wasteful number, since it uses less digits than its factorization.

99350280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 99350280 is about 9967.4610608720. The cubic root of 99350280 is about 463.1514540119.

The spelling of 99350280 in words is "ninety-nine million, three hundred fifty thousand, two hundred eighty".