91349146 has 32 divisors (see below), whose sum is σ = 164229120. Its totient is φ = 37259376.

The previous prime is 91349129. The next prime is 91349161. The reversal of 91349146 is 64194319.

Its product of digits (23328) is a multiple of the sum of its prime divisors (1458).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76365 + ... + 77551.

It is an arithmetic number, because the mean of its divisors is an integer number (5132160).

Almost surely, 2^91349146 is an apocalyptic number.

91349146 is a deficient number, since it is larger than the sum of its proper divisors (72879974).

91349146 is a wasteful number, since it uses less digits than its factorization.

91349146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458.

The product of its digits is 23328, while the sum is 37.

The square root of 91349146 is about 9557.6747172102. The cubic root of 91349146 is about 450.3686624998.

The spelling of 91349146 in words is "ninety-one million, three hundred forty-nine thousand, one hundred forty-six".