91859046 has 32 divisors (see below), whose sum is σ = 187488000. Its totient is φ = 29995680.

The previous prime is 91859023. The next prime is 91859057. The reversal of 91859046 is 64095819.

It is a junction number, because it is equal to n+sod(n) for n = 91858989 and 91859007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153055 + ... + 153653.

It is an arithmetic number, because the mean of its divisors is an integer number (5859000).

Almost surely, 2^91859046 is an apocalyptic number.

91859046 is an abundant number, since it is smaller than the sum of its proper divisors (95628954).

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

91859046 is a wasteful number, since it uses less digits than its factorization.

91859046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 91859046 is about 9584.3124949054. The cubic root of 91859046 is about 451.2050761620.

The spelling of 91859046 in words is "ninety-one million, eight hundred fifty-nine thousand, forty-six".