5749840 has 40 divisors (see below), whose sum is σ = 13702248. Its totient is φ = 2242560.

The previous prime is 5749819. The next prime is 5749841. The reversal of 5749840 is 489475.

It can be written as a sum of positive squares in 4 ways, for example, as 404496 + 5345344 = 636^2 + 2312^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 5749840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5749841) 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, 2404 + ... + 4156.

Almost surely, 2^5749840 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 5749840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6851124).

5749840 is an abundant number, since it is smaller than the sum of its proper divisors (7952408).

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

5749840 is a wasteful number, since it uses less digits than its factorization.

5749840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807 (or 1801 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 5749840 is about 2397.8823991180. The cubic root of 5749840 is about 179.1507318320.

The spelling of 5749840 in words is "five million, seven hundred forty-nine thousand, eight hundred forty".