28114937 has 4 divisors (see below), whose sum is σ = 28150416. Its totient is φ = 28079460.

The previous prime is 28114913. The next prime is 28114939. The reversal of 28114937 is 73941182.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28114937 - 2⁶ = 28114873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28114897 and 28114906.

It is not an unprimeable number, because it can be changed into a prime (28114939) 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 3 ways as a sum of consecutive naturals, for example, 16523 + ... + 18144.

It is an arithmetic number, because the mean of its divisors is an integer number (7037604).

Almost surely, 2^28114937 is an apocalyptic number.

It is an amenable number.

28114937 is a deficient number, since it is larger than the sum of its proper divisors (35479).

28114937 is an equidigital number, since it uses as much as digits as its factorization.

28114937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35478.

The product of its digits is 12096, while the sum is 35.

The square root of 28114937 is about 5302.3520252809. The cubic root of 28114937 is about 304.0738257047.

The spelling of 28114937 in words is "twenty-eight million, one hundred fourteen thousand, nine hundred thirty-seven".