91606214 has 8 divisors (see below), whose sum is σ = 157039248. Its totient is φ = 39259800.

The previous prime is 91606213. The next prime is 91606237. The reversal of 91606214 is 41260619.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91606213) 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, 3271637 + ... + 3271664.

It is an arithmetic number, because the mean of its divisors is an integer number (19629906).

Almost surely, 2^91606214 is an apocalyptic number.

91606214 is a deficient number, since it is larger than the sum of its proper divisors (65433034).

91606214 is a wasteful number, since it uses less digits than its factorization.

91606214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6543310.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 91606214 is about 9571.1135193351. The cubic root of 91606214 is about 450.7907315383.

Subtracting from 91606214 its reverse (41260619), we obtain a triangular number (50345595 = T₁₀₀₃₄).

The spelling of 91606214 in words is "ninety-one million, six hundred six thousand, two hundred fourteen".