28114944 has 136 divisors (see below), whose sum is σ = 88079712. Its totient is φ = 7864320.

The previous prime is 28114943. The next prime is 28114969. The reversal of 28114944 is 44941182.

It is a super-2 number, since 2×28114944² = 1580900152246272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28114943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162682 + ... + 2162694.

Almost surely, 2^28114944 is an apocalyptic number.

28114944 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 28114944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44039856).

28114944 is an abundant number, since it is smaller than the sum of its proper divisors (59964768).

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

28114944 is an equidigital number, since it uses as much as digits as its factorization.

28114944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 29 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 28114944 is about 5302.3526853652. The cubic root of 28114944 is about 304.0738509406.

It can be divided in two parts, 281 and 14944, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 28114944 in words is "twenty-eight million, one hundred fourteen thousand, nine hundred forty-four".