28794807 has 12 divisors (see below), whose sum is σ = 41702440. Its totient is φ = 19145808.

The previous prime is 28794803. The next prime is 28794817. The reversal of 28794807 is 70849782.

It is not a de Polignac number, because 28794807 - 2² = 28794803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28794803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 457 + ... + 7602.

Almost surely, 2^28794807 is an apocalyptic number.

28794807 is a deficient number, since it is larger than the sum of its proper divisors (12907633).

28794807 is a wasteful number, since it uses less digits than its factorization.

28794807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8462 (or 8459 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 28794807 is about 5366.0792949788. The cubic root of 28794807 is about 306.5053484941.

The spelling of 28794807 in words is "twenty-eight million, seven hundred ninety-four thousand, eight hundred seven".