28244604 has 12 divisors (see below), whose sum is σ = 65904104. Its totient is φ = 9414864.

The previous prime is 28244597. The next prime is 28244609. The reversal of 28244604 is 40644282.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28244609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1176847 + ... + 1176870.

Almost surely, 2^28244604 is an apocalyptic number.

It is an amenable number.

28244604 is an abundant number, since it is smaller than the sum of its proper divisors (37659500).

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

28244604 is a wasteful number, since it uses less digits than its factorization.

28244604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353724 (or 2353722 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 28244604 is about 5314.5652691448. The cubic root of 28244604 is about 304.5405749949.

Adding to 28244604 its reverse (40644282), we get a palindrome (68888886).

The spelling of 28244604 in words is "twenty-eight million, two hundred forty-four thousand, six hundred four".