28230414 has 16 divisors (see below), whose sum is σ = 57235152. Its totient is φ = 9281088.

The previous prime is 28230359. The next prime is 28230443. The reversal of 28230414 is 41403282.

It is a super-2 number, since 2×28230414² = 1593912549222792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31789 + ... + 32664.

It is an arithmetic number, because the mean of its divisors is an integer number (3577197).

Almost surely, 2^28230414 is an apocalyptic number.

28230414 is an abundant number, since it is smaller than the sum of its proper divisors (29004738).

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

28230414 is a wasteful number, since it uses less digits than its factorization.

28230414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64531.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 28230414 is about 5313.2300910087. The cubic root of 28230414 is about 304.4895663768.

Adding to 28230414 its reverse (41403282), we get a palindrome (69633696).

The spelling of 28230414 in words is "twenty-eight million, two hundred thirty thousand, four hundred fourteen".