28567384 has 8 divisors (see below), whose sum is σ = 53563860. Its totient is φ = 14283688.

The previous prime is 28567381. The next prime is 28567391. The reversal of 28567384 is 48376582.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 28567384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28567381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1785454 + ... + 1785469.

Almost surely, 2^28567384 is an apocalyptic number.

It is an amenable number.

28567384 is a deficient number, since it is larger than the sum of its proper divisors (24996476).

28567384 is a wasteful number, since it uses less digits than its factorization.

28567384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570929 (or 3570925 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 28567384 is about 5344.8464898442. The cubic root of 28567384 is about 305.6962825828.

The spelling of 28567384 in words is "twenty-eight million, five hundred sixty-seven thousand, three hundred eighty-four".