2661626 has 16 divisors (see below), whose sum is σ = 4380480. Its totient is φ = 1202880.

The previous prime is 2661611. The next prime is 2661641. The reversal of 2661626 is 6261662.

It is an interprime number because it is at equal distance from previous prime (2661611) and next prime (2661641).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7235 + ... + 7593.

It is an arithmetic number, because the mean of its divisors is an integer number (273780).

2^2661626 is an apocalyptic number.

2661626 is a deficient number, since it is larger than the sum of its proper divisors (1718854).

2661626 is a wasteful number, since it uses less digits than its factorization.

2661626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709.

The product of its digits is 5184, while the sum is 29.

The square root of 2661626 is about 1631.4490491584. The cubic root of 2661626 is about 138.5848246821.

The spelling of 2661626 in words is "two million, six hundred sixty-one thousand, six hundred twenty-six".