28047682 has 8 divisors (see below), whose sum is σ = 45307836. Its totient is φ = 12945072.

The previous prime is 28047661. The next prime is 28047697. The reversal of 28047682 is 28674082.

It can be written as a sum of positive squares in 2 ways, for example, as 27029601 + 1018081 = 5199^2 + 1009^2 .

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, 539353 + ... + 539404.

Almost surely, 2^28047682 is an apocalyptic number.

28047682 is a deficient number, since it is larger than the sum of its proper divisors (17260154).

28047682 is a wasteful number, since it uses less digits than its factorization.

28047682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078772.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 28047682 is about 5296.0062311142. The cubic root of 28047682 is about 303.8311692395.

The spelling of 28047682 in words is "twenty-eight million, forty-seven thousand, six hundred eighty-two".