28861083 has 16 divisors (see below), whose sum is σ = 43046400. Its totient is φ = 19110600.

The previous prime is 28861051. The next prime is 28861103. The reversal of 28861083 is 38016882.

It is not a de Polignac number, because 28861083 - 2⁵ = 28861051 is a prime.

It is a super-2 number, since 2×28861083² = 1665924223865778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28861013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538 + ... + 7616.

It is an arithmetic number, because the mean of its divisors is an integer number (2690400).

Almost surely, 2^28861083 is an apocalyptic number.

28861083 is a deficient number, since it is larger than the sum of its proper divisors (14185317).

28861083 is a wasteful number, since it uses less digits than its factorization.

28861083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7239 (or 7233 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 28861083 is about 5372.2512041043. The cubic root of 28861083 is about 306.7403258527.

It can be divided in two parts, 2886 and 1083, that added together give a square (3969 = 63²).

The spelling of 28861083 in words is "twenty-eight million, eight hundred sixty-one thousand, eighty-three".