2057794 has 8 divisors (see below), whose sum is σ = 3100860. Its totient is φ = 1024176.

The previous prime is 2057791. The next prime is 2057807. The reversal of 2057794 is 4977502.

It can be written as a sum of positive squares in 2 ways, for example, as 1357225 + 700569 = 1165^2 + 837^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2057794² = 8469032292872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2057791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1789 + ... + 2704.

2^2057794 is an apocalyptic number.

2057794 is a deficient number, since it is larger than the sum of its proper divisors (1043066).

2057794 is a wasteful number, since it uses less digits than its factorization.

2057794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4724.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 2057794 is about 1434.5013070750. The cubic root of 2057794 is about 127.1941972881.

The spelling of 2057794 in words is "two million, fifty-seven thousand, seven hundred ninety-four".