89018361 has 12 divisors (see below), whose sum is σ = 129327588. Its totient is φ = 59001504.

The previous prime is 89018359. The next prime is 89018387. The reversal of 89018361 is 16381098.

It can be written as a sum of positive squares in 2 ways, for example, as 83612736 + 5405625 = 9144^2 + 2325^2 .

It is not a de Polignac number, because 89018361 - 2¹ = 89018359 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89018861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27030 + ... + 30143.

It is an arithmetic number, because the mean of its divisors is an integer number (10777299).

Almost surely, 2^89018361 is an apocalyptic number.

It is an amenable number.

89018361 is a deficient number, since it is larger than the sum of its proper divisors (40309227).

89018361 is a wasteful number, since it uses less digits than its factorization.

89018361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57352 (or 57349 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 89018361 is about 9434.9542129255. The cubic root of 89018361 is about 446.5052105127.

The spelling of 89018361 in words is "eighty-nine million, eighteen thousand, three hundred sixty-one".