28794373 has 4 divisors (see below), whose sum is σ = 28918188. Its totient is φ = 28670560.

The previous prime is 28794349. The next prime is 28794383. The reversal of 28794373 is 37349782.

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 9941409 + 18852964 = 3153^2 + 4342^2 .

It is a cyclic number.

It is not a de Polignac number, because 28794373 - 2¹³ = 28786181 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 (28794383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61558 + ... + 62023.

It is an arithmetic number, because the mean of its divisors is an integer number (7229547).

Almost surely, 2^28794373 is an apocalyptic number.

It is an amenable number.

28794373 is a deficient number, since it is larger than the sum of its proper divisors (123815).

28794373 is a wasteful number, since it uses less digits than its factorization.

28794373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123814.

The product of its digits is 254016, while the sum is 43.

The square root of 28794373 is about 5366.0388556178. The cubic root of 28794373 is about 306.5038085869.

The spelling of 28794373 in words is "twenty-eight million, seven hundred ninety-four thousand, three hundred seventy-three".