91394304 has 72 divisors (see below), whose sum is σ = 247487520. Its totient is φ = 29933568.

The previous prime is 91394299. The next prime is 91394309. The reversal of 91394304 is 40349319.

It is an interprime number because it is at equal distance from previous prime (91394299) and next prime (91394309).

It is not an unprimeable number, because it can be changed into a prime (91394309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44304 + ... + 46320.

Almost surely, 2^91394304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91394304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123743760).

91394304 is an abundant number, since it is smaller than the sum of its proper divisors (156093216).

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

91394304 is a wasteful number, since it uses less digits than its factorization.

91394304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095 (or 2081 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 91394304 is about 9560.0368200128. The cubic root of 91394304 is about 450.4428627837.

The spelling of 91394304 in words is "ninety-one million, three hundred ninety-four thousand, three hundred four".