98091690 has 16 divisors (see below), whose sum is σ = 235420128. Its totient is φ = 26157776.

The previous prime is 98091667. The next prime is 98091703. The reversal of 98091690 is 9619089.

It is a super-2 number, since 2×98091690² = 19243959294112200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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, 1634832 + ... + 1634891.

It is an arithmetic number, because the mean of its divisors is an integer number (14713758).

Almost surely, 2^98091690 is an apocalyptic number.

98091690 is an abundant number, since it is smaller than the sum of its proper divisors (137328438).

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

98091690 is a wasteful number, since it uses less digits than its factorization.

98091690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269733.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 98091690 is about 9904.1248982432. The cubic root of 98091690 is about 461.1873704081.

The spelling of 98091690 in words is "ninety-eight million, ninety-one thousand, six hundred ninety".