28265914 has 4 divisors (see below), whose sum is σ = 42398874. Its totient is φ = 14132956.

The previous prime is 28265903. The next prime is 28265927. The reversal of 28265914 is 41956282.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41956282 = 2 ⋅20978141.

It can be written as a sum of positive squares in only one way, i.e., 26347689 + 1918225 = 5133^2 + 1385^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7066477 + ... + 7066480.

Almost surely, 2^28265914 is an apocalyptic number.

28265914 is a deficient number, since it is larger than the sum of its proper divisors (14132960).

28265914 is a wasteful number, since it uses less digits than its factorization.

28265914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14132959.

The product of its digits is 34560, while the sum is 37.

The square root of 28265914 is about 5316.5697587824. The cubic root of 28265914 is about 304.6171457056.

The spelling of 28265914 in words is "twenty-eight million, two hundred sixty-five thousand, nine hundred fourteen".