28817714 has 4 divisors (see below), whose sum is σ = 43226574. Its totient is φ = 14408856.

The previous prime is 28817713. The next prime is 28817717. The reversal of 28817714 is 41771882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16949689 + 11868025 = 4117^2 + 3445^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28817713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7204427 + ... + 7204430.

Almost surely, 2^28817714 is an apocalyptic number.

28817714 is a deficient number, since it is larger than the sum of its proper divisors (14408860).

28817714 is a wasteful number, since it uses less digits than its factorization.

28817714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14408859.

The product of its digits is 25088, while the sum is 38.

The square root of 28817714 is about 5368.2132968056. The cubic root of 28817714 is about 306.5866045462.

The spelling of 28817714 in words is "twenty-eight million, eight hundred seventeen thousand, seven hundred fourteen".