91396692 has 36 divisors (see below), whose sum is σ = 244622196. Its totient is φ = 28673280.

The previous prime is 91396691. The next prime is 91396703. The reversal of 91396692 is 29669319.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57244356 + 34152336 = 7566^2 + 5844^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91396691) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 74059 + ... + 75282.

It is an arithmetic number, because the mean of its divisors is an integer number (6795061).

Almost surely, 2^91396692 is an apocalyptic number.

It is an amenable number.

91396692 is an abundant number, since it is smaller than the sum of its proper divisors (153225504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91396692 is a wasteful number, since it uses less digits than its factorization.

91396692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149368 (or 149363 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 91396692 is about 9560.1617141134. The cubic root of 91396692 is about 450.4467858881.

The spelling of 91396692 in words is "ninety-one million, three hundred ninety-six thousand, six hundred ninety-two".