28855882 has 16 divisors (see below), whose sum is σ = 48371904. Its totient is φ = 12796000.

The previous prime is 28855877. The next prime is 28855901.

28855882 is nontrivially palindromic in base 10.

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, 15094 + ... + 16897.

It is an arithmetic number, because the mean of its divisors is an integer number (3023244).

Almost surely, 2^28855882 is an apocalyptic number.

28855882 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28855882 is a deficient number, since it is larger than the sum of its proper divisors (19516022).

28855882 is a wasteful number, since it uses less digits than its factorization.

28855882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32045.

The product of its digits is 409600, while the sum is 46.

The square root of 28855882 is about 5371.7671207900. The cubic root of 28855882 is about 306.7218990520.

The spelling of 28855882 in words is "twenty-eight million, eight hundred fifty-five thousand, eight hundred eighty-two".