5739440 has 80 divisors (see below), whose sum is σ = 15719232. Its totient is φ = 1907712.

The previous prime is 5739439. The next prime is 5739451. The reversal of 5739440 is 449375.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 5739397 and 5739406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20582 + ... + 20858.

Almost surely, 2^5739440 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 5739440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7859616).

5739440 is an abundant number, since it is smaller than the sum of its proper divisors (9979792).

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

5739440 is a wasteful number, since it uses less digits than its factorization.

5739440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 5739440 is about 2395.7128375496. The cubic root of 5739440 is about 179.0426539218.

The spelling of 5739440 in words is "five million, seven hundred thirty-nine thousand, four hundred forty".