28384674 has 8 divisors (see below), whose sum is σ = 56769360. Its totient is φ = 9461556.

The previous prime is 28384673. The next prime is 28384693. The reversal of 28384674 is 47648382.

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

28384674 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (28384673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2365384 + ... + 2365395.

It is an arithmetic number, because the mean of its divisors is an integer number (7096170).

Almost surely, 2^28384674 is an apocalyptic number.

28384674 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28384674 is a wasteful number, since it uses less digits than its factorization.

28384674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730784.

The product of its digits is 258048, while the sum is 42.

The square root of 28384674 is about 5327.7269074156. The cubic root of 28384674 is about 305.0431686636.

The spelling of 28384674 in words is "twenty-eight million, three hundred eighty-four thousand, six hundred seventy-four".