2003946 has 16 divisors (see below), whose sum is σ = 4580544. Its totient is φ = 572544.

The previous prime is 2003927. The next prime is 2003951. The reversal of 2003946 is 6493002.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23815 + ... + 23898.

It is an arithmetic number, because the mean of its divisors is an integer number (286284).

2^2003946 is an apocalyptic number.

2003946 is an abundant number, since it is smaller than the sum of its proper divisors (2576598).

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

2003946 is a wasteful number, since it uses less digits than its factorization.

2003946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47725.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 2003946 is about 1415.6079965866. The cubic root of 2003946 is about 126.0749113621.

Adding to 2003946 its reverse (6493002), we get a palindrome (8496948).

The spelling of 2003946 in words is "two million, three thousand, nine hundred forty-six".