91339080 has 256 divisors, whose sum is σ = 338688000. Its totient is φ = 19243008.

The previous prime is 91339063. The next prime is 91339081. The reversal of 91339080 is 8093319.

It is not an unprimeable number, because it can be changed into a prime (91339081) 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 63 ways as a sum of consecutive naturals, for example, 941592 + ... + 941688.

It is an arithmetic number, because the mean of its divisors is an integer number (1323000).

Almost surely, 2^91339080 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 91339080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169344000).

91339080 is an abundant number, since it is smaller than the sum of its proper divisors (247348920).

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

91339080 is a wasteful number, since it uses less digits than its factorization.

91339080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 91339080 is about 9557.1481101843. The cubic root of 91339080 is about 450.3521194607.

It can be divided in two parts, 913 and 39080, that added together give a palindrome (39993).

The spelling of 91339080 in words is "ninety-one million, three hundred thirty-nine thousand, eighty".