91914371 has 4 divisors (see below), whose sum is σ = 95910672. Its totient is φ = 87918072.

The previous prime is 91914353. The next prime is 91914377. The reversal of 91914371 is 17341919.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 91914371 - 2⁶ = 91914307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91914377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1998116 + ... + 1998161.

It is an arithmetic number, because the mean of its divisors is an integer number (23977668).

Almost surely, 2^91914371 is an apocalyptic number.

91914371 is a deficient number, since it is larger than the sum of its proper divisors (3996301).

91914371 is a wasteful number, since it uses less digits than its factorization.

91914371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996300.

The product of its digits is 6804, while the sum is 35.

The square root of 91914371 is about 9587.1982872996. The cubic root of 91914371 is about 451.2956421325.

The spelling of 91914371 in words is "ninety-one million, nine hundred fourteen thousand, three hundred seventy-one".