28141863 has 8 divisors (see below), whose sum is σ = 37548528. Its totient is φ = 18748224.

The previous prime is 28141853. The next prime is 28141873. The reversal of 28141863 is 36814182.

It is an interprime number because it is at equal distance from previous prime (28141853) and next prime (28141873).

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

It is not a de Polignac number, because 28141863 - 2¹³ = 28133671 is a prime.

It is a super-2 number, since 2×28141863² = 1583928906221538, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28141853) 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, 4281 + ... + 8637.

It is an arithmetic number, because the mean of its divisors is an integer number (4693566).

Almost surely, 2^28141863 is an apocalyptic number.

28141863 is a deficient number, since it is larger than the sum of its proper divisors (9406665).

28141863 is a wasteful number, since it uses less digits than its factorization.

28141863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6513.

The product of its digits is 9216, while the sum is 33.

The square root of 28141863 is about 5304.8904795481. The cubic root of 28141863 is about 304.1708664043.

The spelling of 28141863 in words is "twenty-eight million, one hundred forty-one thousand, eight hundred sixty-three".