28086676 has 12 divisors (see below), whose sum is σ = 49189140. Its totient is φ = 14032640.

The previous prime is 28086671. The next prime is 28086679. The reversal of 28086676 is 67668082.

It can be written as a sum of positive squares in 2 ways, for example, as 25908100 + 2178576 = 5090^2 + 1476^2 .

It is a super-2 number, since 2×28086676² = 1577722737457952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28086671) 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 3 ways as a sum of consecutive naturals, for example, 7716 + ... + 10756.

It is an arithmetic number, because the mean of its divisors is an integer number (4099095).

Almost surely, 2^28086676 is an apocalyptic number.

It is an amenable number.

28086676 is a deficient number, since it is larger than the sum of its proper divisors (21102464).

28086676 is a wasteful number, since it uses less digits than its factorization.

28086676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5354 (or 5352 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 28086676 is about 5299.6864058169. The cubic root of 28086676 is about 303.9719070300.

The spelling of 28086676 in words is "twenty-eight million, eighty-six thousand, six hundred seventy-six".