28531682 has 8 divisors (see below), whose sum is σ = 43436496. Its totient is φ = 14052852.

The previous prime is 28531667. The next prime is 28531691. The reversal of 28531682 is 28613582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106328 + ... + 106595.

It is an arithmetic number, because the mean of its divisors is an integer number (5429562).

Almost surely, 2^28531682 is an apocalyptic number.

28531682 is a deficient number, since it is larger than the sum of its proper divisors (14904814).

28531682 is a wasteful number, since it uses less digits than its factorization.

28531682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212992.

The product of its digits is 23040, while the sum is 35.

The square root of 28531682 is about 5341.5055929953. The cubic root of 28531682 is about 305.5688818332.

The spelling of 28531682 in words is "twenty-eight million, five hundred thirty-one thousand, six hundred eighty-two".