91394922 has 8 divisors (see below), whose sum is σ = 182789856. Its totient is φ = 30464972.

The previous prime is 91394903. The next prime is 91394923. The reversal of 91394922 is 22949319.

It is a sphenic number, since it is the product of 3 distinct primes.

91394922 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (91394923) 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, 7616238 + ... + 7616249.

It is an arithmetic number, because the mean of its divisors is an integer number (22848732).

Almost surely, 2^91394922 is an apocalyptic number.

91394922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91394922 is a wasteful number, since it uses less digits than its factorization.

91394922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15232492.

The product of its digits is 34992, while the sum is 39.

The square root of 91394922 is about 9560.0691420094. The cubic root of 91394922 is about 450.4438780660.

It can be divided in two parts, 9 and 1394922, that added together give a palindrome (1394931).

The spelling of 91394922 in words is "ninety-one million, three hundred ninety-four thousand, nine hundred twenty-two".