91936901 has 16 divisors (see below), whose sum is σ = 111855744. Its totient is φ = 73764864.

The previous prime is 91936849. The next prime is 91936903. The reversal of 91936901 is 10963919.

It is a cyclic number.

It is not a de Polignac number, because 91936901 - 2⁶ = 91936837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91936903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20966 + ... + 24968.

It is an arithmetic number, because the mean of its divisors is an integer number (6990984).

Almost surely, 2^91936901 is an apocalyptic number.

It is an amenable number.

91936901 is a deficient number, since it is larger than the sum of its proper divisors (19918843).

91936901 is a wasteful number, since it uses less digits than its factorization.

91936901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220.

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 91936901 is about 9588.3732196864. The cubic root of 91936901 is about 451.3325128998.

The spelling of 91936901 in words is "ninety-one million, nine hundred thirty-six thousand, nine hundred one".