28041024 has 168 divisors, whose sum is σ = 87562944. Its totient is φ = 7884800.

The previous prime is 28041011. The next prime is 28041043. The reversal of 28041024 is 42014082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394909 + ... + 394979.

It is an arithmetic number, because the mean of its divisors is an integer number (521208).

Almost surely, 2^28041024 is an apocalyptic number.

28041024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28041024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43781472).

28041024 is an abundant number, since it is smaller than the sum of its proper divisors (59521920).

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

28041024 is a wasteful number, since it uses less digits than its factorization.

28041024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 28041024 is about 5295.3776069323. The cubic root of 28041024 is about 303.8071260404.

It can be divided in two parts, 2804 and 1024, that added together give a triangular number (3828 = T₈₇).

The spelling of 28041024 in words is "twenty-eight million, forty-one thousand, twenty-four".