2661346 has 8 divisors (see below), whose sum is σ = 4000860. Its totient is φ = 1327728.

The previous prime is 2661341. The next prime is 2661371. The reversal of 2661346 is 6431662.

2661346 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 2283121 + 378225 = 1511^2 + 615^2 .

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

It is a d-powerful number, because it can be written as 2²¹ + 6⁵ + 6⁵ + 1 + 3⁸ + 4⁹ + 6⁷ .

It is not an unprimeable number, because it can be changed into a prime (2661341) 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, 81 + ... + 2308.

2^2661346 is an apocalyptic number.

2661346 is a deficient number, since it is larger than the sum of its proper divisors (1339514).

2661346 is a wasteful number, since it uses less digits than its factorization.

2661346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948.

The product of its digits is 5184, while the sum is 28.

The square root of 2661346 is about 1631.3632336178. The cubic root of 2661346 is about 138.5799648568.

The spelling of 2661346 in words is "two million, six hundred sixty-one thousand, three hundred forty-six".