89838605 has 8 divisors (see below), whose sum is σ = 108366072. Its totient is φ = 71497728.

The previous prime is 89838601. The next prime is 89838611. The reversal of 89838605 is 50683898.

It can be written as a sum of positive squares in 4 ways, for example, as 687241 + 89151364 = 829^2 + 9442^2 .

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 89838605 - 2² = 89838601 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 89838605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89838601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45584 + ... + 47513.

It is an arithmetic number, because the mean of its divisors is an integer number (13545759).

Almost surely, 2^89838605 is an apocalyptic number.

It is an amenable number.

89838605 is a deficient number, since it is larger than the sum of its proper divisors (18527467).

89838605 is a wasteful number, since it uses less digits than its factorization.

89838605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93295.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 89838605 is about 9478.3229001760. The cubic root of 89838605 is about 447.8724342500.

The spelling of 89838605 in words is "eighty-nine million, eight hundred thirty-eight thousand, six hundred five".