5611840 has 112 divisors (see below), whose sum is σ = 15361920. Its totient is φ = 1935360.

The previous prime is 5611831. The next prime is 5611841. The reversal of 5611840 is 481165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5611841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79005 + ... + 79075.

It is an arithmetic number, because the mean of its divisors is an integer number (137160).

Almost surely, 2^5611840 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 5611840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7680960).

5611840 is an abundant number, since it is smaller than the sum of its proper divisors (9750080).

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

5611840 is a wasteful number, since it uses less digits than its factorization.

5611840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 5611840 is about 2368.9322489257. The cubic root of 5611840 is about 177.7058644326.

It can be divided in two parts, 561 and 1840, that added together give a 4-th power (2401 = 7⁴).

The spelling of 5611840 in words is "five million, six hundred eleven thousand, eight hundred forty".