28456695 has 12 divisors (see below), whose sum is σ = 49325016. Its totient is φ = 15176880.

The previous prime is 28456651. The next prime is 28456717. The reversal of 28456695 is 59665482.

28456695 is a `hidden beast` number, since 2 + 84 + 566 + 9 + 5 = 666.

It is not a de Polignac number, because 28456695 - 2⁷ = 28456567 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 632371 = 28456695 / (2 + 8 + 4 + 5 + 6 + 6 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 28456695.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316141 + ... + 316230.

It is an arithmetic number, because the mean of its divisors is an integer number (4110418).

Almost surely, 2^28456695 is an apocalyptic number.

28456695 is a deficient number, since it is larger than the sum of its proper divisors (20868321).

28456695 is a wasteful number, since it uses less digits than its factorization.

28456695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632382 (or 632379 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 28456695 is about 5334.4816992844. The cubic root of 28456695 is about 305.3009481372.

The spelling of 28456695 in words is "twenty-eight million, four hundred fifty-six thousand, six hundred ninety-five".