28314718 has 16 divisors (see below), whose sum is σ = 44037504. Its totient is φ = 13639680.

The previous prime is 28314709. The next prime is 28314721. The reversal of 28314718 is 81741382.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 15046 + ... + 16822.

It is an arithmetic number, because the mean of its divisors is an integer number (2752344).

Almost surely, 2^28314718 is an apocalyptic number.

28314718 is a deficient number, since it is larger than the sum of its proper divisors (15722786).

28314718 is a wasteful number, since it uses less digits than its factorization.

28314718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067.

The product of its digits is 10752, while the sum is 34.

The square root of 28314718 is about 5321.1575808277. The cubic root of 28314718 is about 304.7923624841.

The spelling of 28314718 in words is "twenty-eight million, three hundred fourteen thousand, seven hundred eighteen".