2660677 has 4 divisors (see below), whose sum is σ = 2680236. Its totient is φ = 2641120.

The previous prime is 2660659. The next prime is 2660719. The reversal of 2660677 is 7760662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2217121 + 443556 = 1489^2 + 666^2 .

It is a cyclic number.

It is not a de Polignac number, because 2660677 - 2¹⁹ = 2136389 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 (2660657) 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, 9574 + ... + 9847.

It is an arithmetic number, because the mean of its divisors is an integer number (670059).

2^2660677 is an apocalyptic number.

It is an amenable number.

2660677 is a deficient number, since it is larger than the sum of its proper divisors (19559).

2660677 is a wasteful number, since it uses less digits than its factorization.

2660677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19558.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 2660677 is about 1631.1581774923. The cubic root of 2660677 is about 138.5683519655.

The spelling of 2660677 in words is "two million, six hundred sixty thousand, six hundred seventy-seven".