2003290 has 8 divisors (see below), whose sum is σ = 3605940. Its totient is φ = 801312.

The previous prime is 2003279. The next prime is 2003299. The reversal of 2003290 is 923002.

It can be written as a sum of positive squares in 2 ways, for example, as 1912689 + 90601 = 1383^2 + 301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003299) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 100155 + ... + 100174.

2^2003290 is an apocalyptic number.

2003290 is a deficient number, since it is larger than the sum of its proper divisors (1602650).

2003290 is a wasteful number, since it uses less digits than its factorization.

2003290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200336.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2003290 is about 1415.3762750590. The cubic root of 2003290 is about 126.0611528130.

Adding to 2003290 its reverse (923002), we get a palindrome (2926292).

The spelling of 2003290 in words is "two million, three thousand, two hundred ninety".