28082864 has 10 divisors (see below), whose sum is σ = 54410580. Its totient is φ = 14041424.

The previous prime is 28082837. The next prime is 28082867. The reversal of 28082864 is 46828082.

It is not an unprimeable number, because it can be changed into a prime (28082867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 877574 + ... + 877605.

It is an arithmetic number, because the mean of its divisors is an integer number (5441058).

Almost surely, 2^28082864 is an apocalyptic number.

It is an amenable number.

28082864 is a deficient number, since it is larger than the sum of its proper divisors (26327716).

28082864 is a wasteful number, since it uses less digits than its factorization.

28082864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755187 (or 1755181 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 28082864 is about 5299.3267496919. The cubic root of 28082864 is about 303.9581544434.

The spelling of 28082864 in words is "twenty-eight million, eighty-two thousand, eight hundred sixty-four".