91894854 has 16 divisors (see below), whose sum is σ = 186117120. Its totient is φ = 30243720.

The previous prime is 91894807. The next prime is 91894889. The reversal of 91894854 is 45849819.

It is a Curzon number.

It is a congruent 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, 96462 + ... + 97409.

It is an arithmetic number, because the mean of its divisors is an integer number (11632320).

Almost surely, 2^91894854 is an apocalyptic number.

91894854 is an abundant number, since it is smaller than the sum of its proper divisors (94222266).

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

91894854 is a wasteful number, since it uses less digits than its factorization.

91894854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193955.

The product of its digits is 414720, while the sum is 48.

The square root of 91894854 is about 9586.1803655053. The cubic root of 91894854 is about 451.2636973254.

The spelling of 91894854 in words is "ninety-one million, eight hundred ninety-four thousand, eight hundred fifty-four".