90881282 has 8 divisors (see below), whose sum is σ = 137853900. Its totient is φ = 44929984.

The previous prime is 90881281. The next prime is 90881291. The reversal of 90881282 is 28218809.

It can be written as a sum of positive squares in 2 ways, for example, as 74632321 + 16248961 = 8639^2 + 4031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (90881281) 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 3 ways as a sum of consecutive naturals, for example, 255107 + ... + 255462.

Almost surely, 2^90881282 is an apocalyptic number.

90881282 is a deficient number, since it is larger than the sum of its proper divisors (46972618).

90881282 is a wasteful number, since it uses less digits than its factorization.

90881282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510660.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 90881282 is about 9533.1674694196. The cubic root of 90881282 is about 449.5984599148.

The spelling of 90881282 in words is "ninety million, eight hundred eighty-one thousand, two hundred eighty-two".