2661411 has 8 divisors (see below), whose sum is σ = 3582144. Its totient is φ = 1757480.

The previous prime is 2661409. The next prime is 2661413. The reversal of 2661411 is 1141662.

It is an interprime number because it is at equal distance from previous prime (2661409) and next prime (2661413).

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

It is a cyclic number.

It is not a de Polignac number, because 2661411 - 2¹ = 2661409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2661413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3825 + ... + 4466.

It is an arithmetic number, because the mean of its divisors is an integer number (447768).

2^2661411 is an apocalyptic number.

2661411 is a deficient number, since it is larger than the sum of its proper divisors (920733).

2661411 is a wasteful number, since it uses less digits than its factorization.

2661411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8401.

The product of its digits is 288, while the sum is 21.

The square root of 2661411 is about 1631.3831554849. The cubic root of 2661411 is about 138.5810930609.

The spelling of 2661411 in words is "two million, six hundred sixty-one thousand, four hundred eleven".