28678606 has 8 divisors (see below), whose sum is σ = 46928664. Its totient is φ = 13035720.

The previous prime is 28678597. The next prime is 28678633. The reversal of 28678606 is 60687682.

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

It is a congruent number.

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, 651765 + ... + 651808.

It is an arithmetic number, because the mean of its divisors is an integer number (5866083).

Almost surely, 2^28678606 is an apocalyptic number.

28678606 is a deficient number, since it is larger than the sum of its proper divisors (18250058).

28678606 is a wasteful number, since it uses less digits than its factorization.

28678606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303586.

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

The square root of 28678606 is about 5355.2409843069. The cubic root of 28678606 is about 306.0924934345.

The spelling of 28678606 in words is "twenty-eight million, six hundred seventy-eight thousand, six hundred six".