28036859 has 8 divisors (see below), whose sum is σ = 30190320. Its totient is φ = 25939456.

The previous prime is 28036807. The next prime is 28036867. The reversal of 28036859 is 95863082.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28036859 is a prime.

It is a super-3 number, since 3×28036859³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28036159) 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, 12974 + ... + 14979.

It is an arithmetic number, because the mean of its divisors is an integer number (3773790).

Almost surely, 2^28036859 is an apocalyptic number.

28036859 is a deficient number, since it is larger than the sum of its proper divisors (2153461).

28036859 is a wasteful number, since it uses less digits than its factorization.

28036859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28029.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 28036859 is about 5294.9843248115. The cubic root of 28036859 is about 303.7920835639.

The spelling of 28036859 in words is "twenty-eight million, thirty-six thousand, eight hundred fifty-nine".