89456443 has 4 divisors (see below), whose sum is σ = 89477568. Its totient is φ = 89435320.

The previous prime is 89456441. The next prime is 89456489. The reversal of 89456443 is 34465498.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34465498 = 2 ⋅17232749.

It is a cyclic number.

It is not a de Polignac number, because 89456443 - 2¹ = 89456441 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 89456443.

It is not an unprimeable number, because it can be changed into a prime (89456441) 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, 1771 + ... + 13492.

It is an arithmetic number, because the mean of its divisors is an integer number (22369392).

Almost surely, 2^89456443 is an apocalyptic number.

89456443 is a deficient number, since it is larger than the sum of its proper divisors (21125).

89456443 is a wasteful number, since it uses less digits than its factorization.

89456443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21124.

The product of its digits is 414720, while the sum is 43.

The square root of 89456443 is about 9458.1416250762. The cubic root of 89456443 is about 447.2364674969.

The spelling of 89456443 in words is "eighty-nine million, four hundred fifty-six thousand, four hundred forty-three".