2057290 has 16 divisors (see below), whose sum is σ = 3719520. Its totient is φ = 819280.

The previous prime is 2057233. The next prime is 2057291. The reversal of 2057290 is 927502.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2057291) 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 7 ways as a sum of consecutive naturals, for example, 3945 + ... + 4435.

It is an arithmetic number, because the mean of its divisors is an integer number (232470).

2^2057290 is an apocalyptic number.

2057290 is a deficient number, since it is larger than the sum of its proper divisors (1662230).

2057290 is a wasteful number, since it uses less digits than its factorization.

2057290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 2057290 is about 1434.3256255119. The cubic root of 2057290 is about 127.1838122010.

The spelling of 2057290 in words is "two million, fifty-seven thousand, two hundred ninety".