28254914 has 4 divisors (see below), whose sum is σ = 42382374. Its totient is φ = 14127456.

The previous prime is 28254907. The next prime is 28254931. The reversal of 28254914 is 41945282.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41945282 = 2 ⋅20972641.

It can be written as a sum of positive squares in only one way, i.e., 25836889 + 2418025 = 5083^2 + 1555^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7063727 + ... + 7063730.

Almost surely, 2^28254914 is an apocalyptic number.

28254914 is a deficient number, since it is larger than the sum of its proper divisors (14127460).

28254914 is a wasteful number, since it uses less digits than its factorization.

28254914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14127459.

The product of its digits is 23040, while the sum is 35.

The square root of 28254914 is about 5315.5351565012. The cubic root of 28254914 is about 304.5776255098.

The spelling of 28254914 in words is "twenty-eight million, two hundred fifty-four thousand, nine hundred fourteen".