2003442 has 16 divisors (see below), whose sum is σ = 4579392. Its totient is φ = 572400.

The previous prime is 2003411. The next prime is 2003447. The reversal of 2003442 is 2443002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2003447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23809 + ... + 23892.

It is an arithmetic number, because the mean of its divisors is an integer number (286212).

2^2003442 is an apocalyptic number.

2003442 is an abundant number, since it is smaller than the sum of its proper divisors (2575950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003442 is a wasteful number, since it uses less digits than its factorization.

2003442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47713.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 2003442 is about 1415.4299700091. The cubic root of 2003442 is about 126.0643410368.

Adding to 2003442 its reverse (2443002), we get a palindrome (4446444).

The spelling of 2003442 in words is "two million, three thousand, four hundred forty-two".