91484647 has 8 divisors (see below), whose sum is σ = 94803840. Its totient is φ = 88176480.

The previous prime is 91484629. The next prime is 91484651. The reversal of 91484647 is 74648419.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91484647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91484047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16522 + ... + 21352.

It is an arithmetic number, because the mean of its divisors is an integer number (11850480).

Almost surely, 2^91484647 is an apocalyptic number.

91484647 is a deficient number, since it is larger than the sum of its proper divisors (3319193).

91484647 is a wasteful number, since it uses less digits than its factorization.

91484647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5513.

The product of its digits is 193536, while the sum is 43.

The square root of 91484647 is about 9564.7606870219. The cubic root of 91484647 is about 450.5912343867.

The spelling of 91484647 in words is "ninety-one million, four hundred eighty-four thousand, six hundred forty-seven".