91243376 has 40 divisors (see below), whose sum is σ = 203364960. Its totient is φ = 38847744.

The previous prime is 91243351. The next prime is 91243391. The reversal of 91243376 is 67334219.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14990 + ... + 20178.

It is an arithmetic number, because the mean of its divisors is an integer number (5084124).

Almost surely, 2^91243376 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 91243376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101682480).

91243376 is an abundant number, since it is smaller than the sum of its proper divisors (112121584).

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

91243376 is a wasteful number, since it uses less digits than its factorization.

91243376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5361 (or 5355 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 91243376 is about 9552.1398649727. The cubic root of 91243376 is about 450.1947732974.

It can be divided in two parts, 91243 and 376, that added together give a palindrome (91619).

The spelling of 91243376 in words is "ninety-one million, two hundred forty-three thousand, three hundred seventy-six".