2669617 has 4 divisors (see below), whose sum is σ = 2673396. Its totient is φ = 2665840.

The previous prime is 2669603. The next prime is 2669659. The reversal of 2669617 is 7169662.

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 720801 + 1948816 = 849^2 + 1396^2 .

It is a cyclic number.

It is not a de Polignac number, because 2669617 - 2¹¹ = 2667569 is a prime.

It is a Duffinian number.

2669617 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2669687) 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, 478 + ... + 2359.

It is an arithmetic number, because the mean of its divisors is an integer number (668349).

2^2669617 is an apocalyptic number.

It is an amenable number.

2669617 is a deficient number, since it is larger than the sum of its proper divisors (3779).

2669617 is an equidigital number, since it uses as much as digits as its factorization.

2669617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778.

The product of its digits is 27216, while the sum is 37.

The square root of 2669617 is about 1633.8962635369. The cubic root of 2669617 is about 138.7233771933.

The spelling of 2669617 in words is "two million, six hundred sixty-nine thousand, six hundred seventeen".