28142935 has 8 divisors (see below), whose sum is σ = 33892560. Its totient is φ = 22433664.

The previous prime is 28142929. The next prime is 28142953. The reversal of 28142935 is 53924182.

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 28142935 - 2¹¹ = 28140887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28142935.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8530 + ... + 11359.

It is an arithmetic number, because the mean of its divisors is an integer number (4236570).

Almost surely, 2^28142935 is an apocalyptic number.

28142935 is a deficient number, since it is larger than the sum of its proper divisors (5749625).

28142935 is a wasteful number, since it uses less digits than its factorization.

28142935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20177.

The product of its digits is 17280, while the sum is 34.

The square root of 28142935 is about 5304.9915174296. The cubic root of 28142935 is about 304.1747285868.

The spelling of 28142935 in words is "twenty-eight million, one hundred forty-two thousand, nine hundred thirty-five".