1957841 has 4 divisors (see below), whose sum is σ = 1969332. Its totient is φ = 1946352.

The previous prime is 1957831. The next prime is 1957847. The reversal of 1957841 is 1487591.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1849600 + 108241 = 1360^2 + 329^2 .

It is a cyclic number.

It is not a de Polignac number, because 1957841 - 2⁶ = 1957777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1957847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5486 + ... + 5831.

It is an arithmetic number, because the mean of its divisors is an integer number (492333).

2^1957841 is an apocalyptic number.

It is an amenable number.

1957841 is a deficient number, since it is larger than the sum of its proper divisors (11491).

1957841 is a wasteful number, since it uses less digits than its factorization.

1957841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11490.

The product of its digits is 10080, while the sum is 35.

The square root of 1957841 is about 1399.2287161147. The cubic root of 1957841 is about 125.1005271327.

The spelling of 1957841 in words is "one million, nine hundred fifty-seven thousand, eight hundred forty-one".