28607214 has 16 divisors (see below), whose sum is σ = 57294720. Its totient is φ = 9522360.

The previous prime is 28607213. The next prime is 28607219. The reversal of 28607214 is 41270682.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28607213) by changing a digit.

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, 1927 + ... + 7805.

It is an arithmetic number, because the mean of its divisors is an integer number (3580920).

Almost surely, 2^28607214 is an apocalyptic number.

28607214 is an abundant number, since it is smaller than the sum of its proper divisors (28687506).

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

28607214 is a wasteful number, since it uses less digits than its factorization.

28607214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6695.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 28607214 is about 5348.5712110806. The cubic root of 28607214 is about 305.8382886854.

Adding to 28607214 its reverse (41270682), we get a palindrome (69877896).

The spelling of 28607214 in words is "twenty-eight million, six hundred seven thousand, two hundred fourteen".