89388637 has 4 divisors (see below), whose sum is σ = 96264700. Its totient is φ = 82512576.

The previous prime is 89388623. The next prime is 89388647. The reversal of 89388637 is 73688398.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22982436 + 66406201 = 4794^2 + 8149^2 .

It is a cyclic number.

It is not a de Polignac number, because 89388637 - 2¹¹ = 89386589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89388647) 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 3 ways as a sum of consecutive naturals, for example, 3438012 + ... + 3438037.

It is an arithmetic number, because the mean of its divisors is an integer number (24066175).

Almost surely, 2^89388637 is an apocalyptic number.

It is an amenable number.

89388637 is a deficient number, since it is larger than the sum of its proper divisors (6876063).

89388637 is a wasteful number, since it uses less digits than its factorization.

89388637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6876062.

The product of its digits is 1741824, while the sum is 52.

The square root of 89388637 is about 9454.5564147664. The cubic root of 89388637 is about 447.1234404933.

The spelling of 89388637 in words is "eighty-nine million, three hundred eighty-eight thousand, six hundred thirty-seven".