89386289 has 8 divisors (see below), whose sum is σ = 96196968. Its totient is φ = 82748160.

The previous prime is 89386267. The next prime is 89386291. The reversal of 89386289 is 98268398.

It can be written as a sum of positive squares in 4 ways, for example, as 1345600 + 88040689 = 1160^2 + 9383^2 .

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 89386289 - 2¹² = 89382193 is a prime.

It is a super-2 number, since 2×89386289² = 15979817322383042, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 89386289.

It is not an unprimeable number, because it can be changed into a prime (89386589) 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, 42062 + ... + 44135.

It is an arithmetic number, because the mean of its divisors is an integer number (12024621).

Almost surely, 2^89386289 is an apocalyptic number.

It is an amenable number.

89386289 is a deficient number, since it is larger than the sum of its proper divisors (6810679).

89386289 is a wasteful number, since it uses less digits than its factorization.

89386289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86275.

The product of its digits is 1492992, while the sum is 53.

The square root of 89386289 is about 9454.4322410180. The cubic root of 89386289 is about 447.1195255474.

The spelling of 89386289 in words is "eighty-nine million, three hundred eighty-six thousand, two hundred eighty-nine".