28310853 has 4 divisors (see below), whose sum is σ = 37747808. Its totient is φ = 18873900.

The previous prime is 28310837. The next prime is 28310857. The reversal of 28310853 is 35801382.

It is a happy number.

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 not a de Polignac number, because 28310853 - 2⁴ = 28310837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28310853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28310857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4718473 + ... + 4718478.

It is an arithmetic number, because the mean of its divisors is an integer number (9436952).

Almost surely, 2^28310853 is an apocalyptic number.

It is an amenable number.

28310853 is a deficient number, since it is larger than the sum of its proper divisors (9436955).

28310853 is an equidigital number, since it uses as much as digits as its factorization.

28310853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9436954.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 28310853 is about 5320.7943955767. The cubic root of 28310853 is about 304.7784936535.

The spelling of 28310853 in words is "twenty-eight million, three hundred ten thousand, eight hundred fifty-three".