2057979 has 32 divisors (see below), whose sum is σ = 3502080. Its totient is φ = 1044000.

The previous prime is 2057953. The next prime is 2057981. The reversal of 2057979 is 9797502.

It is not a de Polignac number, because 2057979 - 2⁸ = 2057723 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 13554 + ... + 13704.

It is an arithmetic number, because the mean of its divisors is an integer number (109440).

2^2057979 is an apocalyptic number.

2057979 is a deficient number, since it is larger than the sum of its proper divisors (1444101).

2057979 is a wasteful number, since it uses less digits than its factorization.

2057979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 2057979 is about 1434.5657879651. The cubic root of 2057979 is about 127.1980088490.

The spelling of 2057979 in words is "two million, fifty-seven thousand, nine hundred seventy-nine".