28847230 has 8 divisors (see below), whose sum is σ = 51925032. Its totient is φ = 11538888.

The previous prime is 28847219. The next prime is 28847243. The reversal of 28847230 is 3274882.

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

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, 1442352 + ... + 1442371.

It is an arithmetic number, because the mean of its divisors is an integer number (6490629).

Almost surely, 2^28847230 is an apocalyptic number.

28847230 is a deficient number, since it is larger than the sum of its proper divisors (23077802).

28847230 is a wasteful number, since it uses less digits than its factorization.

28847230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884730.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 28847230 is about 5370.9617388323. The cubic root of 28847230 is about 306.6912406794.

The spelling of 28847230 in words is "twenty-eight million, eight hundred forty-seven thousand, two hundred thirty".