28246386 has 32 divisors (see below), whose sum is σ = 65047680. Its totient is φ = 8009856.

The previous prime is 28246373. The next prime is 28246391. The reversal of 28246386 is 68364282.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3300 + ... + 8208.

It is an arithmetic number, because the mean of its divisors is an integer number (2032740).

Almost surely, 2^28246386 is an apocalyptic number.

28246386 is an abundant number, since it is smaller than the sum of its proper divisors (36801294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28246386 is a wasteful number, since it uses less digits than its factorization.

28246386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058.

The product of its digits is 110592, while the sum is 39.

The square root of 28246386 is about 5314.7329189716. The cubic root of 28246386 is about 304.5469795208.

The spelling of 28246386 in words is "twenty-eight million, two hundred forty-six thousand, three hundred eighty-six".