28697095 has 32 divisors (see below), whose sum is σ = 41616000. Its totient is φ = 18966528.

The previous prime is 28697093. The next prime is 28697107. The reversal of 28697095 is 59079682.

It is not a de Polignac number, because 28697095 - 2¹ = 28697093 is a prime.

It is a super-2 number, since 2×28697095² = 1647046522878050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28697093) 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 31 ways as a sum of consecutive naturals, for example, 49447 + ... + 50023.

It is an arithmetic number, because the mean of its divisors is an integer number (1300500).

Almost surely, 2^28697095 is an apocalyptic number.

28697095 is a deficient number, since it is larger than the sum of its proper divisors (12918905).

28697095 is an equidigital number, since it uses as much as digits as its factorization.

28697095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 28697095 is about 5356.9669590170. The cubic root of 28697095 is about 306.1582582344.

The spelling of 28697095 in words is "twenty-eight million, six hundred ninety-seven thousand, ninety-five".