2658673 has 4 divisors (see below), whose sum is σ = 2686180. Its totient is φ = 2631168.

The previous prime is 2658671. The next prime is 2658683. The reversal of 2658673 is 3768562.

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 535824 + 2122849 = 732^2 + 1457^2 .

It is a cyclic number.

It is not a de Polignac number, because 2658673 - 2¹ = 2658671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2658671) 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, 13608 + ... + 13801.

It is an arithmetic number, because the mean of its divisors is an integer number (671545).

2^2658673 is an apocalyptic number.

It is an amenable number.

2658673 is a deficient number, since it is larger than the sum of its proper divisors (27507).

2658673 is an equidigital number, since it uses as much as digits as its factorization.

2658673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27506.

The product of its digits is 60480, while the sum is 37.

The square root of 2658673 is about 1630.5437743281. The cubic root of 2658673 is about 138.5335537136.

The spelling of 2658673 in words is "two million, six hundred fifty-eight thousand, six hundred seventy-three".