28173353 has 8 divisors (see below), whose sum is σ = 30487296. Its totient is φ = 25880400.

The previous prime is 28173331. The next prime is 28173361. The reversal of 28173353 is 35337182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28173353 - 2⁶ = 28173289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28173323) 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 7 ways as a sum of consecutive naturals, for example, 2393 + ... + 7878.

It is an arithmetic number, because the mean of its divisors is an integer number (3810912).

Almost surely, 2^28173353 is an apocalyptic number.

It is an amenable number.

28173353 is a deficient number, since it is larger than the sum of its proper divisors (2313943).

28173353 is a wasteful number, since it uses less digits than its factorization.

28173353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10495.

The product of its digits is 15120, while the sum is 32.

The square root of 28173353 is about 5307.8576657631. The cubic root of 28173353 is about 304.2842771638.

The spelling of 28173353 in words is "twenty-eight million, one hundred seventy-three thousand, three hundred fifty-three".