28026716 has 6 divisors (see below), whose sum is σ = 49046760. Its totient is φ = 14013356.

The previous prime is 28026707. The next prime is 28026721. The reversal of 28026716 is 61762082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3503336 + ... + 3503343.

It is an arithmetic number, because the mean of its divisors is an integer number (8174460).

Almost surely, 2^28026716 is an apocalyptic number.

It is an amenable number.

28026716 is a deficient number, since it is larger than the sum of its proper divisors (21020044).

28026716 is a wasteful number, since it uses less digits than its factorization.

28026716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7006683 (or 7006681 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 28026716 is about 5294.0264449661. The cubic root of 28026716 is about 303.7554444767.

Adding to 28026716 its reverse (61762082), we get a palindrome (89788798).

The spelling of 28026716 in words is "twenty-eight million, twenty-six thousand, seven hundred sixteen".