5239944 has 64 divisors (see below), whose sum is σ = 15422400. Its totient is φ = 1642752.

The previous prime is 5239943. The next prime is 5239987. The reversal of 5239944 is 4499325.

5239944 is a `hidden beast` number, since 523 + 99 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5239899 and 5239908.

It is not an unprimeable number, because it can be changed into a prime (5239943) 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, 2959 + ... + 4385.

It is an arithmetic number, because the mean of its divisors is an integer number (240975).

Almost surely, 2^5239944 is an apocalyptic number.

5239944 is a gapful number since it is divisible by the number (54) 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 5239944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7711200).

5239944 is an abundant number, since it is smaller than the sum of its proper divisors (10182456).

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

5239944 is a wasteful number, since it uses less digits than its factorization.

5239944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459 (or 1449 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 5239944 is about 2289.0923965624. The cubic root of 5239944 is about 173.6902933059.

The spelling of 5239944 in words is "five million, two hundred thirty-nine thousand, nine hundred forty-four".