89443983 has 12 divisors (see below), whose sum is σ = 120583320. Its totient is φ = 58969296.

The previous prime is 89443931. The next prime is 89444029. The reversal of 89443983 is 38934498.

It is not a de Polignac number, because 89443983 - 2¹⁷ = 89312911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89443903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170760 + ... + 171282.

It is an arithmetic number, because the mean of its divisors is an integer number (10048610).

Almost surely, 2^89443983 is an apocalyptic number.

89443983 is a deficient number, since it is larger than the sum of its proper divisors (31139337).

89443983 is an equidigital number, since it uses as much as digits as its factorization.

89443983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158 (or 635 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 89443983 is about 9457.4829103731. The cubic root of 89443983 is about 447.2157019900.

The spelling of 89443983 in words is "eighty-nine million, four hundred forty-three thousand, nine hundred eighty-three".