2057969 has 6 divisors (see below), whose sum is σ = 2186454. Its totient is φ = 1936640.

The previous prime is 2057953. The next prime is 2057981. The reversal of 2057969 is 9697502.

2057969 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 3 ways, for example, as 270400 + 1787569 = 520^2 + 1337^2 .

It is not a de Polignac number, because 2057969 - 2⁴ = 2057953 is a prime.

It is a super-2 number, since 2×2057969² = 8470472809922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2057999) 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, 3272 + ... + 3849.

It is an arithmetic number, because the mean of its divisors is an integer number (364409).

2^2057969 is an apocalyptic number.

It is an amenable number.

2057969 is a deficient number, since it is larger than the sum of its proper divisors (128485).

2057969 is an equidigital number, since it uses as much as digits as its factorization.

2057969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7155 (or 7138 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 2057969 is about 1434.5623025857. The cubic root of 2057969 is about 127.1978028245.

The spelling of 2057969 in words is "two million, fifty-seven thousand, nine hundred sixty-nine".