2006738 has 4 divisors (see below), whose sum is σ = 3010110. Its totient is φ = 1003368.

The previous prime is 2006707. The next prime is 2006779. The reversal of 2006738 is 8376002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1329409 + 677329 = 1153^2 + 823^2 .

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 as a sum of consecutive naturals, namely, 501683 + ... + 501686.

2^2006738 is an apocalyptic number.

2006738 is a deficient number, since it is larger than the sum of its proper divisors (1003372).

2006738 is a wasteful number, since it uses less digits than its factorization.

2006738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003371.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2006738 is about 1416.5938020477. The cubic root of 2006738 is about 126.1334355278.

It can be divided in two parts, 2006 and 738, that added together give a cube (2744 = 14³).

The spelling of 2006738 in words is "two million, six thousand, seven hundred thirty-eight".