91716432 has 20 divisors (see below), whose sum is σ = 236934240. Its totient is φ = 30572128.

The previous prime is 91716421. The next prime is 91716461. The reversal of 91716432 is 23461719.

It is a junction number, because it is equal to n+sod(n) for n = 91716393 and 91716402.

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, 955332 + ... + 955427.

It is an arithmetic number, because the mean of its divisors is an integer number (11846712).

Almost surely, 2^91716432 is an apocalyptic number.

It is an amenable number.

91716432 is an abundant number, since it is smaller than the sum of its proper divisors (145217808).

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

91716432 is a wasteful number, since it uses less digits than its factorization.

91716432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910770 (or 1910764 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 91716432 is about 9576.8696346980. The cubic root of 91716432 is about 450.9714519551.

The spelling of 91716432 in words is "ninety-one million, seven hundred sixteen thousand, four hundred thirty-two".