28569714 has 8 divisors (see below), whose sum is σ = 57139440. Its totient is φ = 9523236.

The previous prime is 28569689. The next prime is 28569719. The reversal of 28569714 is 41796582.

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

28569714 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28569719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2380804 + ... + 2380815.

It is an arithmetic number, because the mean of its divisors is an integer number (7142430).

Almost surely, 2^28569714 is an apocalyptic number.

28569714 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28569714 is a wasteful number, since it uses less digits than its factorization.

28569714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761624.

The product of its digits is 120960, while the sum is 42.

The square root of 28569714 is about 5345.0644523710. The cubic root of 28569714 is about 305.7045933773.

The spelling of 28569714 in words is "twenty-eight million, five hundred sixty-nine thousand, seven hundred fourteen".