4057286 has 4 divisors (see below), whose sum is σ = 6085932. Its totient is φ = 2028642.

The previous prime is 4057247. The next prime is 4057297. The reversal of 4057286 is 6827504.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014320 + ... + 1014323.

It is an arithmetic number, because the mean of its divisors is an integer number (1521483).

Almost surely, 2^4057286 is an apocalyptic number.

4057286 is a deficient number, since it is larger than the sum of its proper divisors (2028646).

4057286 is a wasteful number, since it uses less digits than its factorization.

4057286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028645.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 4057286 is about 2014.2705875825. The cubic root of 4057286 is about 159.4943149083.

The spelling of 4057286 in words is "four million, fifty-seven thousand, two hundred eighty-six".