91914814 has 16 divisors (see below), whose sum is σ = 142713216. Its totient is φ = 44352000.

The previous prime is 91914793. The next prime is 91914827. The reversal of 91914814 is 41841919.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23014 + ... + 26710.

It is an arithmetic number, because the mean of its divisors is an integer number (8919576).

Almost surely, 2^91914814 is an apocalyptic number.

91914814 is a deficient number, since it is larger than the sum of its proper divisors (50798402).

91914814 is a wasteful number, since it uses less digits than its factorization.

91914814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131.

The product of its digits is 10368, while the sum is 37.

The square root of 91914814 is about 9587.2213909975. The cubic root of 91914814 is about 451.2963671684.

The spelling of 91914814 in words is "ninety-one million, nine hundred fourteen thousand, eight hundred fourteen".