28214273 has 8 divisors (see below), whose sum is σ = 29254176. Its totient is φ = 27191200.

The previous prime is 28214267. The next prime is 28214299. The reversal of 28214273 is 37241282.

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

It is not a de Polignac number, because 28214273 - 2¹² = 28210177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28214233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743 + ... + 7548.

It is an arithmetic number, because the mean of its divisors is an integer number (3656772).

Almost surely, 2^28214273 is an apocalyptic number.

It is an amenable number.

28214273 is a deficient number, since it is larger than the sum of its proper divisors (1039903).

28214273 is an equidigital number, since it uses as much as digits as its factorization.

28214273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8415.

The product of its digits is 5376, while the sum is 29.

The square root of 28214273 is about 5311.7109296346. The cubic root of 28214273 is about 304.4315237391.

The spelling of 28214273 in words is "twenty-eight million, two hundred fourteen thousand, two hundred seventy-three".