91046597 has 4 divisors (see below), whose sum is σ = 93983616. Its totient is φ = 88109580.

The previous prime is 91046591. The next prime is 91046623. The reversal of 91046597 is 79564019.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79564019 = 5351 ⋅14869.

It is a cyclic number.

It is not a de Polignac number, because 91046597 - 2⁶ = 91046533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91046591) 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 3 ways as a sum of consecutive naturals, for example, 1468463 + ... + 1468524.

It is an arithmetic number, because the mean of its divisors is an integer number (23495904).

Almost surely, 2^91046597 is an apocalyptic number.

It is an amenable number.

91046597 is a deficient number, since it is larger than the sum of its proper divisors (2937019).

91046597 is a wasteful number, since it uses less digits than its factorization.

91046597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937018.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 91046597 is about 9541.8340480224. The cubic root of 91046597 is about 449.8709045326.

The spelling of 91046597 in words is "ninety-one million, forty-six thousand, five hundred ninety-seven".