2003426 has 4 divisors (see below), whose sum is σ = 3005142. Its totient is φ = 1001712.

The previous prime is 2003411. The next prime is 2003447. The reversal of 2003426 is 6243002.

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., 1957201 + 46225 = 1399^2 + 215^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 500855 + ... + 500858.

2^2003426 is an apocalyptic number.

2003426 is a deficient number, since it is larger than the sum of its proper divisors (1001716).

2003426 is a wasteful number, since it uses less digits than its factorization.

2003426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001715.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2003426 is about 1415.4243180050. The cubic root of 2003426 is about 126.0640054419.

Adding to 2003426 its reverse (6243002), we get a palindrome (8246428).

The spelling of 2003426 in words is "two million, three thousand, four hundred twenty-six".