28849344 has 112 divisors (see below), whose sum is σ = 81540096. Its totient is φ = 8985600.

The previous prime is 28849343. The next prime is 28849349. The reversal of 28849344 is 44394882.

It is a junction number, because it is equal to n+sod(n) for n = 28849296 and 28849305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28849343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220159 + ... + 220289.

Almost surely, 2^28849344 is an apocalyptic number.

28849344 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 28849344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40770048).

28849344 is an abundant number, since it is smaller than the sum of its proper divisors (52690752).

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

28849344 is a wasteful number, since it uses less digits than its factorization.

28849344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 204 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 28849344 is about 5371.1585342457. The cubic root of 28849344 is about 306.6987322068.

The spelling of 28849344 in words is "twenty-eight million, eight hundred forty-nine thousand, three hundred forty-four".