91694850 has 96 divisors (see below), whose sum is σ = 249359040. Its totient is φ = 22160640.

The previous prime is 91694849. The next prime is 91694851. The reversal of 91694850 is 5849619.

It is an interprime number because it is at equal distance from previous prime (91694849) and next prime (91694851).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91694851) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 114652 + ... + 115448.

It is an arithmetic number, because the mean of its divisors is an integer number (2597490).

Almost surely, 2^91694850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91694850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124679520).

91694850 is an abundant number, since it is smaller than the sum of its proper divisors (157664190).

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

91694850 is a wasteful number, since it uses less digits than its factorization.

91694850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 879 counting only the distinct ones).

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

The square root of 91694850 is about 9575.7427910319. The cubic root of 91694850 is about 450.9360761444.

The spelling of 91694850 in words is "ninety-one million, six hundred ninety-four thousand, eight hundred fifty".