91417446 has 12 divisors (see below), whose sum is σ = 198071172. Its totient is φ = 30472476.

The previous prime is 91417429. The next prime is 91417471. The reversal of 91417446 is 64471419.

It is a self number, because there is not a number n which added to its sum of digits gives 91417446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2539356 + ... + 2539391.

It is an arithmetic number, because the mean of its divisors is an integer number (16505931).

Almost surely, 2^91417446 is an apocalyptic number.

91417446 is an abundant number, since it is smaller than the sum of its proper divisors (106653726).

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

91417446 is a wasteful number, since it uses less digits than its factorization.

91417446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5078755 (or 5078752 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 91417446 is about 9561.2470943910. The cubic root of 91417446 is about 450.4808785336.

The spelling of 91417446 in words is "ninety-one million, four hundred seventeen thousand, four hundred forty-six".