28105682 has 16 divisors (see below), whose sum is σ = 46116000. Its totient is φ = 12740640.

The previous prime is 28105667. The next prime is 28105697. The reversal of 28105682 is 28650182.

It is an interprime number because it is at equal distance from previous prime (28105667) and next prime (28105697).

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, 7694 + ... + 10742.

It is an arithmetic number, because the mean of its divisors is an integer number (2882250).

Almost surely, 2^28105682 is an apocalyptic number.

28105682 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28105682 is a deficient number, since it is larger than the sum of its proper divisors (18010318).

28105682 is a wasteful number, since it uses less digits than its factorization.

28105682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 28105682 is about 5301.4792275364. The cubic root of 28105682 is about 304.0404565848.

The spelling of 28105682 in words is "twenty-eight million, one hundred five thousand, six hundred eighty-two".