28579343 has 4 divisors (see below), whose sum is σ = 30777768. Its totient is φ = 26380920.

The previous prime is 28579333. The next prime is 28579351. The reversal of 28579343 is 34397582.

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

It is a cyclic number.

It is not a de Polignac number, because 28579343 - 2¹⁸ = 28317199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28579343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28579333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1099193 + ... + 1099218.

It is an arithmetic number, because the mean of its divisors is an integer number (7694442).

Almost surely, 2^28579343 is an apocalyptic number.

28579343 is a deficient number, since it is larger than the sum of its proper divisors (2198425).

28579343 is a wasteful number, since it uses less digits than its factorization.

28579343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198424.

The product of its digits is 181440, while the sum is 41.

The square root of 28579343 is about 5345.9651139902. The cubic root of 28579343 is about 305.7389339252.

The spelling of 28579343 in words is "twenty-eight million, five hundred seventy-nine thousand, three hundred forty-three".