89543839 has 8 divisors (see below), whose sum is σ = 111639168. Its totient is φ = 69774360.

The previous prime is 89543837. The next prime is 89543843. The reversal of 89543839 is 93834598.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89543839 - 2¹ = 89543837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89543792 and 89543801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89543833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581377 + ... + 581530.

It is an arithmetic number, because the mean of its divisors is an integer number (13954896).

Almost surely, 2^89543839 is an apocalyptic number.

89543839 is a deficient number, since it is larger than the sum of its proper divisors (22095329).

89543839 is a wasteful number, since it uses less digits than its factorization.

89543839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162925.

The product of its digits is 933120, while the sum is 49.

The square root of 89543839 is about 9462.7606437022. The cubic root of 89543839 is about 447.3820651945.

The spelling of 89543839 in words is "eighty-nine million, five hundred forty-three thousand, eight hundred thirty-nine".