91684352 has 40 divisors (see below), whose sum is σ = 184082712. Its totient is φ = 45619200.

The previous prime is 91684321. The next prime is 91684363. The reversal of 91684352 is 25348619.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169202 + ... + 169742.

Almost surely, 2^91684352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91684352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92041356).

91684352 is an abundant number, since it is smaller than the sum of its proper divisors (92398360).

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

91684352 is an equidigital number, since it uses as much as digits as its factorization.

91684352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890 (or 874 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 91684352 is about 9575.1946194320. The cubic root of 91684352 is about 450.9188664989.

The spelling of 91684352 in words is "ninety-one million, six hundred eighty-four thousand, three hundred fifty-two".