89321843 has 4 divisors (see below), whose sum is σ = 96192768. Its totient is φ = 82450920.

The previous prime is 89321839. The next prime is 89321887. The reversal of 89321843 is 34812398.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34812398 = 2 ⋅17406199.

It is a cyclic number.

It is not a de Polignac number, because 89321843 - 2² = 89321839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89321797 and 89321806.

It is not an unprimeable number, because it can be changed into a prime (89329843) 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, 3435443 + ... + 3435468.

It is an arithmetic number, because the mean of its divisors is an integer number (24048192).

Almost surely, 2^89321843 is an apocalyptic number.

89321843 is a deficient number, since it is larger than the sum of its proper divisors (6870925).

89321843 is a wasteful number, since it uses less digits than its factorization.

89321843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6870924.

The product of its digits is 41472, while the sum is 38.

The square root of 89321843 is about 9451.0233837400. The cubic root of 89321843 is about 447.0120445116.

The spelling of 89321843 in words is "eighty-nine million, three hundred twenty-one thousand, eight hundred forty-three".