2681746 has 8 divisors (see below), whose sum is σ = 4161420. Its totient is φ = 1294608.

The previous prime is 2681729. The next prime is 2681803. The reversal of 2681746 is 6471862.

2681746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2436721 + 245025 = 1561^2 + 495^2 .

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

It is an unprimeable number.

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, 23061 + ... + 23176.

2^2681746 is an apocalyptic number.

2681746 is a deficient number, since it is larger than the sum of its proper divisors (1479674).

2681746 is a wasteful number, since it uses less digits than its factorization.

2681746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46268.

The product of its digits is 16128, while the sum is 34.

The square root of 2681746 is about 1637.6037371721. The cubic root of 2681746 is about 138.9331493664.

The spelling of 2681746 in words is "two million, six hundred eighty-one thousand, seven hundred forty-six".