91960998 has 8 divisors (see below), whose sum is σ = 183922008. Its totient is φ = 30653664.

The previous prime is 91960997. The next prime is 91961003. The reversal of 91960998 is 89906919.

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

91960998 is an admirable number.

It is a super-3 number, since 3×91960998³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 91960998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91960993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7663411 + ... + 7663422.

It is an arithmetic number, because the mean of its divisors is an integer number (22990251).

Almost surely, 2^91960998 is an apocalyptic number.

91960998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91960998 is a wasteful number, since it uses less digits than its factorization.

91960998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15326838.

The product of its (nonzero) digits is 314928, while the sum is 51.

The square root of 91960998 is about 9589.6297113079. The cubic root of 91960998 is about 451.3719414260.

The spelling of 91960998 in words is "ninety-one million, nine hundred sixty thousand, nine hundred ninety-eight".