28114816 has 16 divisors (see below), whose sum is σ = 56010240. Its totient is φ = 14057344.

The previous prime is 28114811. The next prime is 28114837. The reversal of 28114816 is 61841182.

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28114811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109696 + ... + 109951.

It is an arithmetic number, because the mean of its divisors is an integer number (3500640).

Almost surely, 2^28114816 is an apocalyptic number.

It is an amenable number.

28114816 is a deficient number, since it is larger than the sum of its proper divisors (27895424).

28114816 is an equidigital number, since it uses as much as digits as its factorization.

28114816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219661 (or 219649 counting only the distinct ones).

The product of its digits is 3072, while the sum is 31.

The square root of 28114816 is about 5302.3406152378. The cubic root of 28114816 is about 304.0733894836.

Adding to 28114816 its reverse (61841182), we get a palindrome (89955998).

The spelling of 28114816 in words is "twenty-eight million, one hundred fourteen thousand, eight hundred sixteen".