91106349 has 32 divisors (see below), whose sum is σ = 136442880. Its totient is φ = 53736192.

The previous prime is 91106333. The next prime is 91106357. The reversal of 91106349 is 94360119.

It is not a de Polignac number, because 91106349 - 2⁴ = 91106333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91106329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161542 + ... + 162104.

It is an arithmetic number, because the mean of its divisors is an integer number (4263840).

Almost surely, 2^91106349 is an apocalyptic number.

It is an amenable number.

91106349 is a deficient number, since it is larger than the sum of its proper divisors (45336531).

91106349 is a wasteful number, since it uses less digits than its factorization.

91106349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 91106349 is about 9544.9645887243. The cubic root of 91106349 is about 449.9692966706.

The spelling of 91106349 in words is "ninety-one million, one hundred six thousand, three hundred forty-nine".