2661410 has 16 divisors (see below), whose sum is σ = 4920696. Its totient is φ = 1035648.

The previous prime is 2661409. The next prime is 2661413. The reversal of 2661410 is 141662.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2042041 + 619369 = 1429^2 + 787^2 .

It is a congruent number.

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, 3227 + ... + 3966.

2^2661410 is an apocalyptic number.

2661410 is a deficient number, since it is larger than the sum of its proper divisors (2259286).

2661410 is a wasteful number, since it uses less digits than its factorization.

2661410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7237.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2661410 is about 1631.3828489965. The cubic root of 2661410 is about 138.5810757041.

The spelling of 2661410 in words is "two million, six hundred sixty-one thousand, four hundred ten".