5239440 has 120 divisors (see below), whose sum is σ = 18570240. Its totient is φ = 1320192.

The previous prime is 5239433. The next prime is 5239447. The reversal of 5239440 is 449325.

It is an interprime number because it is at equal distance from previous prime (5239433) and next prime (5239447).

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (5239447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13489 + ... + 13871.

It is an arithmetic number, because the mean of its divisors is an integer number (154752).

Almost surely, 2^5239440 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 5239440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9285120).

5239440 is an abundant number, since it is smaller than the sum of its proper divisors (13330800).

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

5239440 is a wasteful number, since it uses less digits than its factorization.

5239440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 5239440 is about 2288.9823066158. The cubic root of 5239440 is about 173.6847243714.

The spelling of 5239440 in words is "five million, two hundred thirty-nine thousand, four hundred forty".