28607796 has 96 divisors (see below), whose sum is σ = 86016000. Its totient is φ = 8053344.

The previous prime is 28607783. The next prime is 28607797. The reversal of 28607796 is 69770682.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28607797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59485 + ... + 59963.

It is an arithmetic number, because the mean of its divisors is an integer number (896000).

Almost surely, 2^28607796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28607796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43008000).

28607796 is an abundant number, since it is smaller than the sum of its proper divisors (57408204).

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

28607796 is a wasteful number, since it uses less digits than its factorization.

28607796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 28607796 is about 5348.6256178574. The cubic root of 28607796 is about 305.8403627155.

It can be divided in two parts, 28607 and 796, that added together give a triangular number (29403 = T₂₄₂).

The spelling of 28607796 in words is "twenty-eight million, six hundred seven thousand, seven hundred ninety-six".