90518298 has 16 divisors (see below), whose sum is σ = 194962656. Its totient is φ = 27851760.

The previous prime is 90518297. The next prime is 90518303. The reversal of 90518298 is 89281509.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (90518291) 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, 580168 + ... + 580323.

It is an arithmetic number, because the mean of its divisors is an integer number (12185166).

Almost surely, 2^90518298 is an apocalyptic number.

90518298 is an abundant number, since it is smaller than the sum of its proper divisors (104444358).

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

90518298 is a wasteful number, since it uses less digits than its factorization.

90518298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160509.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 90518298 is about 9514.1104681415. The cubic root of 90518298 is about 448.9990889577. Note that the first 3 decimals are identical.

The spelling of 90518298 in words is "ninety million, five hundred eighteen thousand, two hundred ninety-eight".