5269840 has 40 divisors (see below), whose sum is σ = 12900960. Its totient is φ = 1996416.

The previous prime is 5269819. The next prime is 5269841. The reversal of 5269840 is 489625.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 5269796 and 5269805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5269841) 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, 214 + ... + 3253.

It is an arithmetic number, because the mean of its divisors is an integer number (322524).

Almost surely, 2^5269840 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 5269840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6450480).

5269840 is an abundant number, since it is smaller than the sum of its proper divisors (7631120).

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

5269840 is a wasteful number, since it uses less digits than its factorization.

5269840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499 (or 3493 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 5269840 is about 2295.6132078379. The cubic root of 5269840 is about 174.0199915375.

The spelling of 5269840 in words is "five million, two hundred sixty-nine thousand, eight hundred forty".