28373383 has 4 divisors (see below), whose sum is σ = 28977120. Its totient is φ = 27769648.

The previous prime is 28373377. The next prime is 28373399. The reversal of 28373383 is 38337382.

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 28373383 - 2¹³ = 28365191 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 (28373333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301798 + ... + 301891.

It is an arithmetic number, because the mean of its divisors is an integer number (7244280).

Almost surely, 2^28373383 is an apocalyptic number.

28373383 is a deficient number, since it is larger than the sum of its proper divisors (603737).

28373383 is an equidigital number, since it uses as much as digits as its factorization.

28373383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603736.

The product of its digits is 72576, while the sum is 37.

The square root of 28373383 is about 5326.6671568627. The cubic root of 28373383 is about 305.0027160916.

The spelling of 28373383 in words is "twenty-eight million, three hundred seventy-three thousand, three hundred eighty-three".