91954854 has 24 divisors (see below), whose sum is σ = 200039112. Its totient is φ = 30528000.

The previous prime is 91954847. The next prime is 91954861. The reversal of 91954854 is 45845919.

It is an interprime number because it is at equal distance from previous prime (91954847) and next prime (91954861).

It is a super-2 number, since 2×91954854² = 16911390348322632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5659 + ... + 14694.

It is an arithmetic number, because the mean of its divisors is an integer number (8334963).

Almost surely, 2^91954854 is an apocalyptic number.

91954854 is an abundant number, since it is smaller than the sum of its proper divisors (108084258).

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

91954854 is a wasteful number, since it uses less digits than its factorization.

91954854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20612 (or 20609 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 91954854 is about 9589.3093599070. The cubic root of 91954854 is about 451.3618890087.

The spelling of 91954854 in words is "ninety-one million, nine hundred fifty-four thousand, eight hundred fifty-four".