91414414 has 16 divisors (see below), whose sum is σ = 168765408. Its totient is φ = 36163872.

The previous prime is 91414403. The next prime is 91414429. The reversal of 91414414 is 41441419.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250957 + ... + 251320.

It is an arithmetic number, because the mean of its divisors is an integer number (10547838).

Almost surely, 2^91414414 is an apocalyptic number.

91414414 is a deficient number, since it is larger than the sum of its proper divisors (77350994).

91414414 is a wasteful number, since it uses less digits than its factorization.

91414414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502299.

The product of its digits is 2304, while the sum is 28.

The square root of 91414414 is about 9561.0885363540. The cubic root of 91414414 is about 450.4758981818.

It can be divided in two parts, 91 and 414414, that added together give a triangular number (414505 = T₉₁₀).

The spelling of 91414414 in words is "ninety-one million, four hundred fourteen thousand, four hundred fourteen".