28855046 has 16 divisors (see below), whose sum is σ = 47751120. Its totient is φ = 12967680.

The previous prime is 28855037. The next prime is 28855049. The reversal of 28855046 is 64055882.

It is a super-2 number, since 2×28855046² = 1665227359324232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28855049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5411 + ... + 9326.

It is an arithmetic number, because the mean of its divisors is an integer number (2984445).

Almost surely, 2^28855046 is an apocalyptic number.

28855046 is a deficient number, since it is larger than the sum of its proper divisors (18896074).

28855046 is a wasteful number, since it uses less digits than its factorization.

28855046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14839.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 28855046 is about 5371.6893059819. The cubic root of 28855046 is about 306.7189369524.

The spelling of 28855046 in words is "twenty-eight million, eight hundred fifty-five thousand, forty-six".