28076814 has 32 divisors (see below), whose sum is σ = 64548000. Its totient is φ = 9035712.

The previous prime is 28076801. The next prime is 28076831. The reversal of 28076814 is 41867082.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7399 + ... + 10530.

It is an arithmetic number, because the mean of its divisors is an integer number (2017125).

Almost surely, 2^28076814 is an apocalyptic number.

28076814 is an abundant number, since it is smaller than the sum of its proper divisors (36471186).

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

28076814 is a wasteful number, since it uses less digits than its factorization.

28076814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17969 (or 17963 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 28076814 is about 5298.7558917165. The cubic root of 28076814 is about 303.9363252488.

The spelling of 28076814 in words is "twenty-eight million, seventy-six thousand, eight hundred fourteen".