91083297 has 8 divisors (see below), whose sum is σ = 128588256. Its totient is φ = 57150272.

The previous prime is 91083277. The next prime is 91083319. The reversal of 91083297 is 79238019.

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

It is a cyclic number.

It is not a de Polignac number, because 91083297 - 2¹⁵ = 91050529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91083247) 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 7 ways as a sum of consecutive naturals, for example, 892923 + ... + 893024.

It is an arithmetic number, because the mean of its divisors is an integer number (16073532).

Almost surely, 2^91083297 is an apocalyptic number.

It is an amenable number.

91083297 is a deficient number, since it is larger than the sum of its proper divisors (37504959).

91083297 is a wasteful number, since it uses less digits than its factorization.

91083297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785967.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 91083297 is about 9543.7569646340. The cubic root of 91083297 is about 449.9313426118.

The spelling of 91083297 in words is "ninety-one million, eighty-three thousand, two hundred ninety-seven".