2006740 has 24 divisors (see below), whose sum is σ = 4241160. Its totient is φ = 797568.

The previous prime is 2006707. The next prime is 2006779. The reversal of 2006740 is 476002.

It can be written as a sum of positive squares in 4 ways, for example, as 12996 + 1993744 = 114^2 + 1412^2 .

It is a zygodrome in base 6.

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, 5194 + ... + 5566.

It is an arithmetic number, because the mean of its divisors is an integer number (176715).

2^2006740 is an apocalyptic number.

2006740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2006740 is an abundant number, since it is smaller than the sum of its proper divisors (2234420).

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

2006740 is a wasteful number, since it uses less digits than its factorization.

2006740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2006740 is about 1416.5945079662. The cubic root of 2006740 is about 126.1334774311.

The spelling of 2006740 in words is "two million, six thousand, seven hundred forty".