28159035 has 32 divisors (see below), whose sum is σ = 46785600. Its totient is φ = 14450688.

The previous prime is 28159031. The next prime is 28159051. The reversal of 28159035 is 53095182.

It is not a de Polignac number, because 28159035 - 2² = 28159031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28158987 and 28159005.

It is not an unprimeable number, because it can be changed into a prime (28159031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62491 + ... + 62939.

It is an arithmetic number, because the mean of its divisors is an integer number (1462050).

Almost surely, 2^28159035 is an apocalyptic number.

28159035 is a deficient number, since it is larger than the sum of its proper divisors (18626565).

28159035 is a wasteful number, since it uses less digits than its factorization.

28159035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 28159035 is about 5306.5087392748. The cubic root of 28159035 is about 304.2327215853.

It can be divided in two parts, 281590 and 35, that added together give a triangular number (281625 = T₇₅₀).

The spelling of 28159035 in words is "twenty-eight million, one hundred fifty-nine thousand, thirty-five".