28814684 has 12 divisors (see below), whose sum is σ = 50571024. Its totient is φ = 14365824.

The previous prime is 28814647. The next prime is 28814689. The reversal of 28814684 is 48641882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28814689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8792 + ... + 11615.

It is an arithmetic number, because the mean of its divisors is an integer number (4214252).

Almost surely, 2^28814684 is an apocalyptic number.

It is an amenable number.

28814684 is a deficient number, since it is larger than the sum of its proper divisors (21756340).

28814684 is a wasteful number, since it uses less digits than its factorization.

28814684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20764 (or 20762 counting only the distinct ones).

The product of its digits is 98304, while the sum is 41.

The square root of 28814684 is about 5367.9310725828. The cubic root of 28814684 is about 306.5758589567.

The spelling of 28814684 in words is "twenty-eight million, eight hundred fourteen thousand, six hundred eighty-four".