5771840 has 56 divisors (see below), whose sum is σ = 14566392. Its totient is φ = 2170880.

The previous prime is 5771837. The next prime is 5771851. The reversal of 5771840 is 481775.

It can be written as a sum of positive squares in 4 ways, for example, as 1577536 + 4194304 = 1256^2 + 2048^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 5771797 and 5771806.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4910 + ... + 5970.

Almost surely, 2^5771840 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 5771840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7283196).

5771840 is an abundant number, since it is smaller than the sum of its proper divisors (8794552).

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

5771840 is a wasteful number, since it uses less digits than its factorization.

5771840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 5771840 is about 2402.4654003752. The cubic root of 5771840 is about 179.3789294869.

The spelling of 5771840 in words is "five million, seven hundred seventy-one thousand, eight hundred forty".