28696396 has 12 divisors (see below), whose sum is σ = 50256360. Its totient is φ = 14337440.

The previous prime is 28696379. The next prime is 28696417. The reversal of 28696396 is 69369682.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8295 + ... + 11233.

It is an arithmetic number, because the mean of its divisors is an integer number (4188030).

Almost surely, 2^28696396 is an apocalyptic number.

It is an amenable number.

28696396 is a deficient number, since it is larger than the sum of its proper divisors (21559964).

28696396 is a wasteful number, since it uses less digits than its factorization.

28696396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5384 (or 5382 counting only the distinct ones).

The product of its digits is 839808, while the sum is 49.

The square root of 28696396 is about 5356.9017164775. The cubic root of 28696396 is about 306.1557724269.

It can be divided in two parts, 28696 and 396, that added together give a palindrome (29092).

The spelling of 28696396 in words is "twenty-eight million, six hundred ninety-six thousand, three hundred ninety-six".