90751098 has 16 divisors (see below), whose sum is σ = 184212000. Its totient is φ = 29798736.

The previous prime is 90751093. The next prime is 90751147. The reversal of 90751098 is 89015709.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90751093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112473 + ... + 113276.

It is an arithmetic number, because the mean of its divisors is an integer number (11513250).

Almost surely, 2^90751098 is an apocalyptic number.

90751098 is an abundant number, since it is smaller than the sum of its proper divisors (93460902).

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

90751098 is a wasteful number, since it uses less digits than its factorization.

90751098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225821.

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 90751098 is about 9526.3370715086. The cubic root of 90751098 is about 449.3836797295.

The spelling of 90751098 in words is "ninety million, seven hundred fifty-one thousand, ninety-eight".