28230446 has 16 divisors (see below), whose sum is σ = 43764864. Its totient is φ = 13648824.

The previous prime is 28230443. The next prime is 28230467. The reversal of 28230446 is 64403282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28230443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7265 + ... + 10451.

It is an arithmetic number, because the mean of its divisors is an integer number (2735304).

Almost surely, 2^28230446 is an apocalyptic number.

28230446 is a deficient number, since it is larger than the sum of its proper divisors (15534418).

28230446 is a wasteful number, since it uses less digits than its factorization.

28230446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 28230446 is about 5313.2331023587. The cubic root of 28230446 is about 304.4896814261.

The spelling of 28230446 in words is "twenty-eight million, two hundred thirty thousand, four hundred forty-six".