28331714 has 8 divisors (see below), whose sum is σ = 43646268. Its totient is φ = 13782960.

The previous prime is 28331701. The next prime is 28331747. The reversal of 28331714 is 41713382.

It can be written as a sum of positive squares in 2 ways, for example, as 23687689 + 4644025 = 4867^2 + 2155^2 .

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, 191357 + ... + 191504.

Almost surely, 2^28331714 is an apocalyptic number.

28331714 is a deficient number, since it is larger than the sum of its proper divisors (15314554).

28331714 is a wasteful number, since it uses less digits than its factorization.

28331714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382900.

The product of its digits is 4032, while the sum is 29.

The square root of 28331714 is about 5322.7543621700. The cubic root of 28331714 is about 304.8533344828.

The spelling of 28331714 in words is "twenty-eight million, three hundred thirty-one thousand, seven hundred fourteen".