28094383 has 4 divisors (see below), whose sum is σ = 28367248. Its totient is φ = 27821520.

The previous prime is 28094371. The next prime is 28094393. The reversal of 28094383 is 38349082.

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

It is a cyclic number.

It is not a de Polignac number, because 28094383 - 2¹⁷ = 27963311 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 (28094323) 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, 136278 + ... + 136483.

It is an arithmetic number, because the mean of its divisors is an integer number (7091812).

Almost surely, 2^28094383 is an apocalyptic number.

28094383 is a deficient number, since it is larger than the sum of its proper divisors (272865).

28094383 is a wasteful number, since it uses less digits than its factorization.

28094383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272864.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 28094383 is about 5300.4134744376. The cubic root of 28094383 is about 303.9997078425. Note that the first 3 decimals are identical.

The spelling of 28094383 in words is "twenty-eight million, ninety-four thousand, three hundred eighty-three".