4057426 has 4 divisors (see below), whose sum is σ = 6086142. Its totient is φ = 2028712.

The previous prime is 4057423. The next prime is 4057451. The reversal of 4057426 is 6247504.

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

It can be written as a sum of positive squares in only one way, i.e., 2556801 + 1500625 = 1599^2 + 1225^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4057394 and 4057403.

It is not an unprimeable number, because it can be changed into a prime (4057423) 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 as a sum of consecutive naturals, namely, 1014355 + ... + 1014358.

Almost surely, 2^4057426 is an apocalyptic number.

4057426 is a deficient number, since it is larger than the sum of its proper divisors (2028716).

4057426 is a wasteful number, since it uses less digits than its factorization.

4057426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028715.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 4057426 is about 2014.3053393168. The cubic root of 4057426 is about 159.4961493815.

The spelling of 4057426 in words is "four million, fifty-seven thousand, four hundred twenty-six".