2003706 has 12 divisors (see below), whose sum is σ = 4341402. Its totient is φ = 667896.

The previous prime is 2003681. The next prime is 2003723. The reversal of 2003706 is 6073002.

It can be written as a sum of positive squares in only one way, i.e., 1418481 + 585225 = 1191^2 + 765^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 111317 = 2003706 / (2 + 0 + 0 + 3 + 7 + 0 + 6).

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 5 ways as a sum of consecutive naturals, for example, 55641 + ... + 55676.

2^2003706 is an apocalyptic number.

2003706 is an abundant number, since it is smaller than the sum of its proper divisors (2337696).

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

2003706 is a wasteful number, since it uses less digits than its factorization.

2003706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111325 (or 111322 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 2003706 is about 1415.5232248183. The cubic root of 2003706 is about 126.0698780949.

Adding to 2003706 its reverse (6073002), we get a palindrome (8076708).

The spelling of 2003706 in words is "two million, three thousand, seven hundred six".