91338339 has 8 divisors (see below), whose sum is σ = 128194240. Its totient is φ = 57687336.

The previous prime is 91338337. The next prime is 91338389. The reversal of 91338339 is 93383319.

It is a happy number.

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

It is not a de Polignac number, because 91338339 - 2¹ = 91338337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91338297 and 91338306.

It is not an unprimeable number, because it can be changed into a prime (91338337) 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, 801157 + ... + 801270.

It is an arithmetic number, because the mean of its divisors is an integer number (16024280).

Almost surely, 2^91338339 is an apocalyptic number.

91338339 is a deficient number, since it is larger than the sum of its proper divisors (36855901).

91338339 is a wasteful number, since it uses less digits than its factorization.

91338339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602449.

The product of its digits is 52488, while the sum is 39.

The square root of 91338339 is about 9557.1093433109. The cubic root of 91338339 is about 450.3509016110.

The spelling of 91338339 in words is "ninety-one million, three hundred thirty-eight thousand, three hundred thirty-nine".