28114807 has 8 divisors (see below), whose sum is σ = 32915232. Its totient is φ = 23510400.

The previous prime is 28114747. The next prime is 28114811. The reversal of 28114807 is 70841182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28114807 - 2⁷ = 28114679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28114837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48694 + ... + 49267.

It is an arithmetic number, because the mean of its divisors is an integer number (4114404).

Almost surely, 2^28114807 is an apocalyptic number.

28114807 is a deficient number, since it is larger than the sum of its proper divisors (4800425).

28114807 is an equidigital number, since it uses as much as digits as its factorization.

28114807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98009.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 28114807 is about 5302.3397665559. The cubic root of 28114807 is about 304.0733570374.

Adding to 28114807 its reverse (70841182), we get a palindrome (98955989).

The spelling of 28114807 in words is "twenty-eight million, one hundred fourteen thousand, eight hundred seven".