5438940 has 96 divisors (see below), whose sum is σ = 17310720. Its totient is φ = 1264896.

The previous prime is 5438903. The next prime is 5438969. The reversal of 5438940 is 498345.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14637 + ... + 15003.

It is an arithmetic number, because the mean of its divisors is an integer number (180320).

Almost surely, 2^5438940 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 5438940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8655360).

5438940 is an abundant number, since it is smaller than the sum of its proper divisors (11871780).

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

5438940 is a wasteful number, since it uses less digits than its factorization.

5438940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 5438940 is about 2332.1535112423. The cubic root of 5438940 is about 175.8617630084.

The spelling of 5438940 in words is "five million, four hundred thirty-eight thousand, nine hundred forty".