2057949 has 12 divisors (see below), whose sum is σ = 2987712. Its totient is φ = 1365000.

The previous prime is 2057933. The next prime is 2057953. The reversal of 2057949 is 9497502.

It is not a de Polignac number, because 2057949 - 2⁴ = 2057933 is a prime.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 1804 + ... + 2714.

It is an arithmetic number, because the mean of its divisors is an integer number (248976).

2^2057949 is an apocalyptic number.

It is an amenable number.

2057949 is a deficient number, since it is larger than the sum of its proper divisors (929763).

2057949 is a wasteful number, since it uses less digits than its factorization.

2057949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 2057949 is about 1434.5553318015. Note that the first 3 decimals coincide. The cubic root of 2057949 is about 127.1973907736.

The spelling of 2057949 in words is "two million, fifty-seven thousand, nine hundred forty-nine".