90798280 has 32 divisors (see below), whose sum is σ = 204897600. Its totient is φ = 36212416.

The previous prime is 90798277. The next prime is 90798289. The reversal of 90798280 is 8289709.

It is not an unprimeable number, because it can be changed into a prime (90798289) by changing a digit.

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, 11199 + ... + 17521.

It is an arithmetic number, because the mean of its divisors is an integer number (6403050).

Almost surely, 2^90798280 is an apocalyptic number.

It is an amenable number.

90798280 is an abundant number, since it is smaller than the sum of its proper divisors (114099320).

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

90798280 is a wasteful number, since it uses less digits than its factorization.

90798280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6693 (or 6689 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 90798280 is about 9528.8131475016. The cubic root of 90798280 is about 449.4615452607.

The spelling of 90798280 in words is "ninety million, seven hundred ninety-eight thousand, two hundred eighty".