2003390 has 16 divisors (see below), whose sum is σ = 3648240. Its totient is φ = 792000.

The previous prime is 2003387. The next prime is 2003411. The reversal of 2003390 is 933002.

It is a happy number.

It is a congruent 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, 236 + ... + 2015.

It is an arithmetic number, because the mean of its divisors is an integer number (228015).

2^2003390 is an apocalyptic number.

2003390 is a deficient number, since it is larger than the sum of its proper divisors (1644850).

2003390 is a wasteful number, since it uses less digits than its factorization.

2003390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 2003390 is about 1415.4116009133. The cubic root of 2003390 is about 126.0632503468.

Adding to 2003390 its reverse (933002), we get a palindrome (2936392).

The spelling of 2003390 in words is "two million, three thousand, three hundred ninety".