28201614 has 16 divisors (see below), whose sum is σ = 64460928. Its totient is φ = 8057592.

The previous prime is 28201609. The next prime is 28201637. The reversal of 28201614 is 41610282.

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, 335692 + ... + 335775.

It is an arithmetic number, because the mean of its divisors is an integer number (4028808).

Almost surely, 2^28201614 is an apocalyptic number.

28201614 is an abundant number, since it is smaller than the sum of its proper divisors (36259314).

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

28201614 is a wasteful number, since it uses less digits than its factorization.

28201614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671479.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 28201614 is about 5310.5191836580. The cubic root of 28201614 is about 304.3859867968.

Adding to 28201614 its reverse (41610282), we get a palindrome (69811896).

The spelling of 28201614 in words is "twenty-eight million, two hundred one thousand, six hundred fourteen".