28242759 has 16 divisors (see below), whose sum is σ = 39761280. Its totient is φ = 17782560.

The previous prime is 28242743. The next prime is 28242761. The reversal of 28242759 is 95724282.

It is not a de Polignac number, because 28242759 - 2⁴ = 28242743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28242719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26089 + ... + 27149.

It is an arithmetic number, because the mean of its divisors is an integer number (2485080).

Almost surely, 2^28242759 is an apocalyptic number.

28242759 is a deficient number, since it is larger than the sum of its proper divisors (11518521).

28242759 is a wasteful number, since it uses less digits than its factorization.

28242759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550.

The product of its digits is 80640, while the sum is 39.

The square root of 28242759 is about 5314.3916867314. The cubic root of 28242759 is about 304.5339437625.

The spelling of 28242759 in words is "twenty-eight million, two hundred forty-two thousand, seven hundred fifty-nine".