2080661 has 4 divisors (see below), whose sum is σ = 2269824. Its totient is φ = 1891500.

The previous prime is 2080657. The next prime is 2080667. The reversal of 2080661 is 1660802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2080661 - 2² = 2080657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94565 + ... + 94586.

It is an arithmetic number, because the mean of its divisors is an integer number (567456).

2^2080661 is an apocalyptic number.

It is an amenable number.

2080661 is a deficient number, since it is larger than the sum of its proper divisors (189163).

2080661 is a wasteful number, since it uses less digits than its factorization.

2080661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189162.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2080661 is about 1442.4496525009. The cubic root of 2080661 is about 127.6636064532.

The spelling of 2080661 in words is "two million, eighty thousand, six hundred sixty-one".