28104606 has 12 divisors (see below), whose sum is σ = 60893352. Its totient is φ = 9368196.

The previous prime is 28104589. The next prime is 28104607. The reversal of 28104606 is 60640182.

It is a self number, because there is not a number n which added to its sum of digits gives 28104606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28104607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 780666 + ... + 780701.

It is an arithmetic number, because the mean of its divisors is an integer number (5074446).

Almost surely, 2^28104606 is an apocalyptic number.

28104606 is an abundant number, since it is smaller than the sum of its proper divisors (32788746).

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

28104606 is a wasteful number, since it uses less digits than its factorization.

28104606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561375 (or 1561372 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 28104606 is about 5301.3777454545. The cubic root of 28104606 is about 304.0365765662.

Adding to 28104606 its reverse (60640182), we get a palindrome (88744788).

The spelling of 28104606 in words is "twenty-eight million, one hundred four thousand, six hundred six".