91371214 has 24 divisors (see below), whose sum is σ = 152497800. Its totient is φ = 41022960.

The previous prime is 91371193. The next prime is 91371221. The reversal of 91371214 is 41217319.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17812 + ... + 22360.

It is an arithmetic number, because the mean of its divisors is an integer number (6354075).

Almost surely, 2^91371214 is an apocalyptic number.

91371214 is a deficient number, since it is larger than the sum of its proper divisors (61126586).

91371214 is a wasteful number, since it uses less digits than its factorization.

91371214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4656 (or 4645 counting only the distinct ones).

The product of its digits is 1512, while the sum is 28.

The square root of 91371214 is about 9558.8291123966. The cubic root of 91371214 is about 450.4049260588.

It can be divided in two parts, 913 and 71214, that added together give a palindrome (72127).

The spelling of 91371214 in words is "ninety-one million, three hundred seventy-one thousand, two hundred fourteen".