28695297 has 16 divisors (see below), whose sum is σ = 39781440. Its totient is φ = 18376512.

The previous prime is 28695287. The next prime is 28695307. The reversal of 28695297 is 79259682.

It is an interprime number because it is at equal distance from previous prime (28695287) and next prime (28695307).

It is not a de Polignac number, because 28695297 - 2⁴ = 28695281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28695257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19023 + ... + 20475.

It is an arithmetic number, because the mean of its divisors is an integer number (2486340).

Almost surely, 2^28695297 is an apocalyptic number.

It is an amenable number.

28695297 is a deficient number, since it is larger than the sum of its proper divisors (11086143).

28695297 is a wasteful number, since it uses less digits than its factorization.

28695297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712.

The product of its digits is 544320, while the sum is 48.

The square root of 28695297 is about 5356.7991375447. The cubic root of 28695297 is about 306.1518640443.

The spelling of 28695297 in words is "twenty-eight million, six hundred ninety-five thousand, two hundred ninety-seven".