4030426 has 4 divisors (see below), whose sum is σ = 6045642. Its totient is φ = 2015212.

The previous prime is 4030421. The next prime is 4030441. The reversal of 4030426 is 6240304.

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., 2205225 + 1825201 = 1485^2 + 1351^2 .

It is not an unprimeable number, because it can be changed into a prime (4030421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007605 + ... + 1007608.

Almost surely, 2^4030426 is an apocalyptic number.

4030426 is a deficient number, since it is larger than the sum of its proper divisors (2015216).

4030426 is a wasteful number, since it uses less digits than its factorization.

4030426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015215.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4030426 is about 2007.5920900422. The cubic root of 4030426 is about 159.1415745222.

The spelling of 4030426 in words is "four million, thirty thousand, four hundred twenty-six".