28683914 has 12 divisors (see below), whose sum is σ = 50050674. Its totient is φ = 12293064.

The previous prime is 28683883. The next prime is 28683923. The reversal of 28683914 is 41938682.

It can be written as a sum of positive squares in only one way, i.e., 17347225 + 11336689 = 4165^2 + 3367^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146249 + ... + 146444.

Almost surely, 2^28683914 is an apocalyptic number.

28683914 is a deficient number, since it is larger than the sum of its proper divisors (21366760).

28683914 is a wasteful number, since it uses less digits than its factorization.

28683914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292709 (or 292702 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 28683914 is about 5355.7365506530. The cubic root of 28683914 is about 306.1113767178. Note that the first 3 decimals are identical.

The spelling of 28683914 in words is "twenty-eight million, six hundred eighty-three thousand, nine hundred fourteen".