28563674 has 8 divisors (see below), whose sum is σ = 42869568. Its totient is φ = 14273820.

The previous prime is 28563673. The next prime is 28563719. The reversal of 28563674 is 47636582.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (28563673) 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, 2669 + ... + 8015.

It is an arithmetic number, because the mean of its divisors is an integer number (5358696).

Almost surely, 2^28563674 is an apocalyptic number.

28563674 is a deficient number, since it is larger than the sum of its proper divisors (14305894).

28563674 is a wasteful number, since it uses less digits than its factorization.

28563674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8020.

The product of its digits is 241920, while the sum is 41.

The square root of 28563674 is about 5344.4994152867. The cubic root of 28563674 is about 305.6830485825.

The spelling of 28563674 in words is "twenty-eight million, five hundred sixty-three thousand, six hundred seventy-four".