28696895 has 8 divisors (see below), whose sum is σ = 34465056. Its totient is φ = 22938336.

The previous prime is 28696879. The next prime is 28696909. The reversal of 28696895 is 59869682.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28696895 - 2⁴ = 28696879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10214 + ... + 12716.

It is an arithmetic number, because the mean of its divisors is an integer number (4308132).

Almost surely, 2^28696895 is an apocalyptic number.

28696895 is a deficient number, since it is larger than the sum of its proper divisors (5768161).

28696895 is a wasteful number, since it uses less digits than its factorization.

28696895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4801.

The product of its digits is 1866240, while the sum is 53.

The square root of 28696895 is about 5356.9482917049. The cubic root of 28696895 is about 306.1575469918.

The spelling of 28696895 in words is "twenty-eight million, six hundred ninety-six thousand, eight hundred ninety-five".