28674986 has 8 divisors (see below), whose sum is σ = 43035300. Its totient is φ = 14329888.

The previous prime is 28674977. The next prime is 28675013. The reversal of 28674986 is 68947682.

It can be written as a sum of positive squares in 2 ways, for example, as 24750625 + 3924361 = 4975^2 + 1981^2 .

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, 4820 + ... + 8976.

Almost surely, 2^28674986 is an apocalyptic number.

28674986 is a deficient number, since it is larger than the sum of its proper divisors (14360314).

28674986 is a wasteful number, since it uses less digits than its factorization.

28674986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7608.

The product of its digits is 1161216, while the sum is 50.

The square root of 28674986 is about 5354.9029869831. The cubic root of 28674986 is about 306.0796138980.

The spelling of 28674986 in words is "twenty-eight million, six hundred seventy-four thousand, nine hundred eighty-six".