4057238 has 8 divisors (see below), whose sum is σ = 6101040. Its totient is φ = 2023560.

The previous prime is 4057231. The next prime is 4057247. The reversal of 4057238 is 8327504.

It is a happy number.

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

It is a super-2 number, since 2×4057238² = 32922360377288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4057238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4057231) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1433 + ... + 3188.

It is an arithmetic number, because the mean of its divisors is an integer number (762630).

Almost surely, 2^4057238 is an apocalyptic number.

4057238 is a deficient number, since it is larger than the sum of its proper divisors (2043802).

4057238 is a wasteful number, since it uses less digits than its factorization.

4057238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5062.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 4057238 is about 2014.2586725642. The cubic root of 4057238 is about 159.4936859363.

The spelling of 4057238 in words is "four million, fifty-seven thousand, two hundred thirty-eight".