28589365 has 8 divisors (see below), whose sum is σ = 39208320. Its totient is φ = 19604112.

The previous prime is 28589329. The next prime is 28589377. The reversal of 28589365 is 56398582.

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 28589365 - 2⁷ = 28589237 is a prime.

It is a super-2 number, since 2×28589365² = 1634703582206450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408385 + ... + 408454.

It is an arithmetic number, because the mean of its divisors is an integer number (4901040).

Almost surely, 2^28589365 is an apocalyptic number.

It is an amenable number.

28589365 is a deficient number, since it is larger than the sum of its proper divisors (10618955).

28589365 is an equidigital number, since it uses as much as digits as its factorization.

28589365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816851.

The product of its digits is 518400, while the sum is 46.

The square root of 28589365 is about 5346.9023742724. The cubic root of 28589365 is about 305.7746678642.

The spelling of 28589365 in words is "twenty-eight million, five hundred eighty-nine thousand, three hundred sixty-five".