28056914 has 4 divisors (see below), whose sum is σ = 42085374. Its totient is φ = 14028456.

The previous prime is 28056907. The next prime is 28056943. The reversal of 28056914 is 41965082.

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., 25755625 + 2301289 = 5075^2 + 1517^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7014227 + ... + 7014230.

Almost surely, 2^28056914 is an apocalyptic number.

28056914 is a deficient number, since it is larger than the sum of its proper divisors (14028460).

28056914 is a wasteful number, since it uses less digits than its factorization.

28056914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14028459.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 28056914 is about 5296.8777595863. The cubic root of 28056914 is about 303.8645013066.

The spelling of 28056914 in words is "twenty-eight million, fifty-six thousand, nine hundred fourteen".