2057993 has 4 divisors (see below), whose sum is σ = 2352000. Its totient is φ = 1763988.

The previous prime is 2057987. The next prime is 2057999. The reversal of 2057993 is 3997502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2057987) and next prime (2057999).

It is a cyclic number.

It is not a de Polignac number, because 2057993 - 2¹² = 2053897 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 146993 + ... + 147006.

It is an arithmetic number, because the mean of its divisors is an integer number (588000).

2^2057993 is an apocalyptic number.

It is an amenable number.

2057993 is a deficient number, since it is larger than the sum of its proper divisors (294007).

2057993 is an equidigital number, since it uses as much as digits as its factorization.

2057993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294006.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 2057993 is about 1434.5706674821. The cubic root of 2057993 is about 127.1982972822.

The spelling of 2057993 in words is "two million, fifty-seven thousand, nine hundred ninety-three".