8612889 has 8 divisors (see below), whose sum is σ = 11560512. Its totient is φ = 5703600.

The previous prime is 8612873. The next prime is 8612893. The reversal of 8612889 is 9882168.

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

It is not a de Polignac number, because 8612889 - 2⁴ = 8612873 is a prime.

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 8612889.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8612839) 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, 9054 + ... + 9959.

It is an arithmetic number, because the mean of its divisors is an integer number (1445064).

Almost surely, 2^8612889 is an apocalyptic number.

It is an amenable number.

8612889 is a deficient number, since it is larger than the sum of its proper divisors (2947623).

8612889 is a wasteful number, since it uses less digits than its factorization.

8612889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19167.

The product of its digits is 55296, while the sum is 42.

The square root of 8612889 is about 2934.7723932189. The cubic root of 8612889 is about 204.9822629905.

The spelling of 8612889 in words is "eight million, six hundred twelve thousand, eight hundred eighty-nine".