28696395 has 32 divisors (see below), whose sum is σ = 56512512. Its totient is φ = 12108672.

The previous prime is 28696379. The next prime is 28696417. The reversal of 28696395 is 59369682.

It is not a de Polignac number, because 28696395 - 2⁴ = 28696379 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9147 + ... + 11876.

It is an arithmetic number, because the mean of its divisors is an integer number (1766016).

Almost surely, 2^28696395 is an apocalyptic number.

28696395 is a deficient number, since it is larger than the sum of its proper divisors (27816117).

28696395 is a wasteful number, since it uses less digits than its factorization.

28696395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21051.

The product of its digits is 699840, while the sum is 48.

The square root of 28696395 is about 5356.9016231400. The cubic root of 28696395 is about 306.1557688707.

The spelling of 28696395 in words is "twenty-eight million, six hundred ninety-six thousand, three hundred ninety-five".