28560634 has 8 divisors (see below), whose sum is σ = 43322580. Its totient is φ = 14119776.

The previous prime is 28560619. The next prime is 28560671. The reversal of 28560634 is 43606582.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22325625 + 6235009 = 4725^2 + 2497^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 28560634.

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, 80049 + ... + 80404.

Almost surely, 2^28560634 is an apocalyptic number.

28560634 is a deficient number, since it is larger than the sum of its proper divisors (14761946).

28560634 is a wasteful number, since it uses less digits than its factorization.

28560634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160544.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 28560634 is about 5344.2150031600. The cubic root of 28560634 is about 305.6722036957.

The spelling of 28560634 in words is "twenty-eight million, five hundred sixty thousand, six hundred thirty-four".