28854584 has 32 divisors (see below), whose sum is σ = 59495040. Its totient is φ = 13010400.

The previous prime is 28854577. The next prime is 28854587. The reversal of 28854584 is 48545882.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28854587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10277 + ... + 12779.

It is an arithmetic number, because the mean of its divisors is an integer number (1859220).

Almost surely, 2^28854584 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28854584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29747520).

28854584 is an abundant number, since it is smaller than the sum of its proper divisors (30640456).

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

28854584 is a wasteful number, since it uses less digits than its factorization.

28854584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651 (or 2647 counting only the distinct ones).

The product of its digits is 409600, while the sum is 44.

The square root of 28854584 is about 5371.6463025780. The cubic root of 28854584 is about 306.7172999781.

It can be divided in two parts, 288 and 54584, that added together give a cube (54872 = 38³).

The spelling of 28854584 in words is "twenty-eight million, eight hundred fifty-four thousand, five hundred eighty-four".