28805696 has 28 divisors (see below), whose sum is σ = 59009280. Its totient is φ = 13937280.

The previous prime is 28805677. The next prime is 28805737. The reversal of 28805696 is 69650882.

It is a happy number.

It is a super-4 number, since 4×28805696⁴ (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5276 + ... + 9243.

Almost surely, 2^28805696 is an apocalyptic number.

It is an amenable number.

28805696 is an abundant number, since it is smaller than the sum of its proper divisors (30203584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28805696 is a wasteful number, since it uses less digits than its factorization.

28805696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14562 (or 14552 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 28805696 is about 5367.0938132289. The cubic root of 28805696 is about 306.5439794889.

The spelling of 28805696 in words is "twenty-eight million, eight hundred five thousand, six hundred ninety-six".