28253846 has 4 divisors (see below), whose sum is σ = 42380772. Its totient is φ = 14126922.

The previous prime is 28253831. The next prime is 28253857. The reversal of 28253846 is 64835282.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7063460 + ... + 7063463.

It is an arithmetic number, because the mean of its divisors is an integer number (10595193).

Almost surely, 2^28253846 is an apocalyptic number.

28253846 is a deficient number, since it is larger than the sum of its proper divisors (14126926).

28253846 is a wasteful number, since it uses less digits than its factorization.

28253846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14126925.

The product of its digits is 92160, while the sum is 38.

The square root of 28253846 is about 5315.4346953001. The cubic root of 28253846 is about 304.5737879119.

The spelling of 28253846 in words is "twenty-eight million, two hundred fifty-three thousand, eight hundred forty-six".