2057744 has 30 divisors (see below), whose sum is σ = 4322826. Its totient is φ = 948480.

The previous prime is 2057729. The next prime is 2057747. The reversal of 2057744 is 4477502.

It can be written as a sum of positive squares in 3 ways, for example, as 262144 + 1795600 = 512^2 + 1340^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2324 + ... + 3084.

2^2057744 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 2057744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2161413).

2057744 is an abundant number, since it is smaller than the sum of its proper divisors (2265082).

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

2057744 is a wasteful number, since it uses less digits than its factorization.

2057744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 2057744 is about 1434.4838793099. The cubic root of 2057744 is about 127.1931670973.

The spelling of 2057744 in words is "two million, fifty-seven thousand, seven hundred forty-four".