91485998 has 8 divisors (see below), whose sum is σ = 137318520. Its totient is φ = 45713160.

The previous prime is 91485971. The next prime is 91486001. The reversal of 91485998 is 89958419.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10868 + ... + 17351.

It is an arithmetic number, because the mean of its divisors is an integer number (17164815).

Almost surely, 2^91485998 is an apocalyptic number.

91485998 is a deficient number, since it is larger than the sum of its proper divisors (45832522).

91485998 is a wasteful number, since it uses less digits than its factorization.

91485998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29842.

The product of its digits is 933120, while the sum is 53.

The square root of 91485998 is about 9564.8313105878. The cubic root of 91485998 is about 450.5934524119.

The spelling of 91485998 in words is "ninety-one million, four hundred eighty-five thousand, nine hundred ninety-eight".