28245734 has 8 divisors (see below), whose sum is σ = 46220328. Its totient is φ = 12838960.

The previous prime is 28245727. The next prime is 28245779. The reversal of 28245734 is 43754282.

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

It is a junction number, because it is equal to n+sod(n) for n = 28245694 and 28245703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641927 + ... + 641970.

It is an arithmetic number, because the mean of its divisors is an integer number (5777541).

Almost surely, 2^28245734 is an apocalyptic number.

28245734 is a deficient number, since it is larger than the sum of its proper divisors (17974594).

28245734 is a wasteful number, since it uses less digits than its factorization.

28245734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283910.

The product of its digits is 53760, while the sum is 35.

The square root of 28245734 is about 5314.6715796933. The cubic root of 28245734 is about 304.5446362575.

It can be divided in two parts, 2824 and 5734, that added together give a palindrome (8558).

The spelling of 28245734 in words is "twenty-eight million, two hundred forty-five thousand, seven hundred thirty-four".