28364666 has 8 divisors (see below), whose sum is σ = 46414944. Its totient is φ = 12893020.

The previous prime is 28364647. The next prime is 28364671. The reversal of 28364666 is 66646382.

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

It is a Curzon 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, 644630 + ... + 644673.

It is an arithmetic number, because the mean of its divisors is an integer number (5801868).

Almost surely, 2^28364666 is an apocalyptic number.

28364666 is a deficient number, since it is larger than the sum of its proper divisors (18050278).

28364666 is a wasteful number, since it uses less digits than its factorization.

28364666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289316.

The product of its digits is 248832, while the sum is 41.

The square root of 28364666 is about 5325.8488525305. The cubic root of 28364666 is about 304.9714781176.

The spelling of 28364666 in words is "twenty-eight million, three hundred sixty-four thousand, six hundred sixty-six".