28964589 has 8 divisors (see below), whose sum is σ = 38647872. Its totient is φ = 19295520.

The previous prime is 28964587. The next prime is 28964597. The reversal of 28964589 is 98546982.

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

It is not a de Polignac number, because 28964589 - 2¹ = 28964587 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28964587) 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, 2857 + ... + 8129.

It is an arithmetic number, because the mean of its divisors is an integer number (4830984).

Almost surely, 2^28964589 is an apocalyptic number.

It is an amenable number.

28964589 is a deficient number, since it is larger than the sum of its proper divisors (9683283).

28964589 is a wasteful number, since it uses less digits than its factorization.

28964589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107.

The product of its digits is 1244160, while the sum is 51.

The square root of 28964589 is about 5381.8759740447. The cubic root of 28964589 is about 307.1065812781.

The spelling of 28964589 in words is "twenty-eight million, nine hundred sixty-four thousand, five hundred eighty-nine".