91360443 has 4 divisors (see below), whose sum is σ = 121813928. Its totient is φ = 60906960.

The previous prime is 91360429. The next prime is 91360447. The reversal of 91360443 is 34406319.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 91360443 - 2⁴ = 91360427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91360443.

It is not an unprimeable number, because it can be changed into a prime (91360447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15226738 + ... + 15226743.

It is an arithmetic number, because the mean of its divisors is an integer number (30453482).

Almost surely, 2^91360443 is an apocalyptic number.

91360443 is a deficient number, since it is larger than the sum of its proper divisors (30453485).

91360443 is a wasteful number, since it uses less digits than its factorization.

91360443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30453484.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 91360443 is about 9558.2656899670. The cubic root of 91360443 is about 450.3872271874.

The spelling of 91360443 in words is "ninety-one million, three hundred sixty thousand, four hundred forty-three".