28142795 has 8 divisors (see below), whose sum is σ = 33813024. Its totient is φ = 22486464.

The previous prime is 28142791. The next prime is 28142797. The reversal of 28142795 is 59724182.

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

It is a cyclic number.

It is not a de Polignac number, because 28142795 - 2² = 28142791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28142791) 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, 1682 + ... + 7688.

It is an arithmetic number, because the mean of its divisors is an integer number (4226628).

Almost surely, 2^28142795 is an apocalyptic number.

28142795 is a deficient number, since it is larger than the sum of its proper divisors (5670229).

28142795 is an equidigital number, since it uses as much as digits as its factorization.

28142795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6949.

The product of its digits is 40320, while the sum is 38.

The square root of 28142795 is about 5304.9783222931. The cubic root of 28142795 is about 304.1742242029.

The spelling of 28142795 in words is "twenty-eight million, one hundred forty-two thousand, seven hundred ninety-five".