28085046 has 32 divisors (see below), whose sum is σ = 61641216. Its totient is φ = 8460000.

The previous prime is 28085027. The next prime is 28085051. The reversal of 28085046 is 64058082.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 28084998 and 28085016.

It is a congruent number.

It is an unprimeable number.

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, 10771 + ... + 13121.

It is an arithmetic number, because the mean of its divisors is an integer number (1926288).

Almost surely, 2^28085046 is an apocalyptic number.

28085046 is an abundant number, since it is smaller than the sum of its proper divisors (33556170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28085046 is a wasteful number, since it uses less digits than its factorization.

28085046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 28085046 is about 5299.5326209016. The cubic root of 28085046 is about 303.9660266167.

The spelling of 28085046 in words is "twenty-eight million, eighty-five thousand, forty-six".