28134383 has 4 divisors (see below), whose sum is σ = 29615160. Its totient is φ = 26653608.

The previous prime is 28134377. The next prime is 28134409. The reversal of 28134383 is 38343182.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38343182 = 2 ⋅19171591.

It is a cyclic number.

It is not a de Polignac number, because 28134383 - 2⁴ = 28134367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28134283) 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, 740360 + ... + 740397.

It is an arithmetic number, because the mean of its divisors is an integer number (7403790).

Almost surely, 2^28134383 is an apocalyptic number.

28134383 is a deficient number, since it is larger than the sum of its proper divisors (1480777).

28134383 is a wasteful number, since it uses less digits than its factorization.

28134383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480776.

The product of its digits is 13824, while the sum is 32.

The square root of 28134383 is about 5304.1854228524. The cubic root of 28134383 is about 304.1439148637.

The spelling of 28134383 in words is "twenty-eight million, one hundred thirty-four thousand, three hundred eighty-three".