28076812 has 6 divisors (see below), whose sum is σ = 49134428. Its totient is φ = 14038404.

The previous prime is 28076801. The next prime is 28076831. The reversal of 28076812 is 21867082.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3509598 + ... + 3509605.

Almost surely, 2^28076812 is an apocalyptic number.

It is an amenable number.

28076812 is a deficient number, since it is larger than the sum of its proper divisors (21057616).

28076812 is a wasteful number, since it uses less digits than its factorization.

28076812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7019207 (or 7019205 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 28076812 is about 5298.7557029929. The cubic root of 28076812 is about 303.9363180320.

The spelling of 28076812 in words is "twenty-eight million, seventy-six thousand, eight hundred twelve".