91874416 has 20 divisors (see below), whose sum is σ = 178707312. Its totient is φ = 45756416.

The previous prime is 91874411. The next prime is 91874417. The reversal of 91874416 is 61447819.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91874411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7060 + ... + 15283.

Almost surely, 2^91874416 is an apocalyptic number.

It is an amenable number.

91874416 is a deficient number, since it is larger than the sum of its proper divisors (86832896).

91874416 is a wasteful number, since it uses less digits than its factorization.

91874416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22608 (or 22602 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 91874416 is about 9585.1142924850. The cubic root of 91874416 is about 451.2302402062.

The spelling of 91874416 in words is "ninety-one million, eight hundred seventy-four thousand, four hundred sixteen".