28334365 has 4 divisors (see below), whose sum is σ = 34001244. Its totient is φ = 22667488.

The previous prime is 28334353. The next prime is 28334381. The reversal of 28334365 is 56343382.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10169721 + 18164644 = 3189^2 + 4262^2 .

It is a cyclic number.

It is not a de Polignac number, because 28334365 - 2⁵ = 28334333 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 28334365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2833432 + ... + 2833441.

It is an arithmetic number, because the mean of its divisors is an integer number (8500311).

Almost surely, 2^28334365 is an apocalyptic number.

It is an amenable number.

28334365 is a deficient number, since it is larger than the sum of its proper divisors (5666879).

28334365 is an equidigital number, since it uses as much as digits as its factorization.

28334365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666878.

The product of its digits is 51840, while the sum is 34.

The square root of 28334365 is about 5323.0033815507. The cubic root of 28334365 is about 304.8628425672.

The spelling of 28334365 in words is "twenty-eight million, three hundred thirty-four thousand, three hundred sixty-five".