91341388 has 12 divisors (see below), whose sum is σ = 159939360. Its totient is φ = 45644432.

The previous prime is 91341377. The next prime is 91341389. The reversal of 91341388 is 88314319.

It is not an unprimeable number, because it can be changed into a prime (91341389) 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, 2718 + ... + 13786.

It is an arithmetic number, because the mean of its divisors is an integer number (13328280).

Almost surely, 2^91341388 is an apocalyptic number.

It is an amenable number.

91341388 is a deficient number, since it is larger than the sum of its proper divisors (68597972).

91341388 is a wasteful number, since it uses less digits than its factorization.

91341388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13136 (or 13134 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 91341388 is about 9557.2688567394. The cubic root of 91341388 is about 450.3559126671.

The spelling of 91341388 in words is "ninety-one million, three hundred forty-one thousand, three hundred eighty-eight".