28247314 has 8 divisors (see below), whose sum is σ = 42464268. Its totient is φ = 14092560.

The previous prime is 28247299. The next prime is 28247321. The reversal of 28247314 is 41374282.

It can be written as a sum of positive squares in 2 ways, for example, as 27217089 + 1030225 = 5217^2 + 1015^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14397 + ... + 16240.

Almost surely, 2^28247314 is an apocalyptic number.

28247314 is a deficient number, since it is larger than the sum of its proper divisors (14216954).

28247314 is a wasteful number, since it uses less digits than its factorization.

28247314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31100.

The product of its digits is 10752, while the sum is 31.

The square root of 28247314 is about 5314.8202227357. The cubic root of 28247314 is about 304.5503146554.

It can be divided in two parts, 28247 and 314, that added together give a 4-th power (28561 = 13⁴).

The spelling of 28247314 in words is "twenty-eight million, two hundred forty-seven thousand, three hundred fourteen".