28654895 has 16 divisors (see below), whose sum is σ = 36426240. Its totient is φ = 21594144.

The previous prime is 28654889. The next prime is 28654897. The reversal of 28654895 is 59845682.

It is a cyclic number.

It is not a de Polignac number, because 28654895 - 2¹⁰ = 28653871 is a prime.

It is a super-2 number, since 2×28654895² = 1642206014922050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28654897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5846 + ... + 9564.

It is an arithmetic number, because the mean of its divisors is an integer number (2276640).

Almost surely, 2^28654895 is an apocalyptic number.

28654895 is a deficient number, since it is larger than the sum of its proper divisors (7771345).

28654895 is a wasteful number, since it uses less digits than its factorization.

28654895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814.

The product of its digits is 691200, while the sum is 47.

The square root of 28654895 is about 5353.0267139255. The cubic root of 28654895 is about 306.0081127614.

The spelling of 28654895 in words is "twenty-eight million, six hundred fifty-four thousand, eight hundred ninety-five".