2628673 has 4 divisors (see below), whose sum is σ = 2671828. Its totient is φ = 2585520.

The previous prime is 2628667. The next prime is 2628679. The reversal of 2628673 is 3768262.

2628673 = 82² + 83² + ... + 203².

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

It is an interprime number because it is at equal distance from previous prime (2628667) and next prime (2628679).

It can be written as a sum of positive squares in 2 ways, for example, as 369664 + 2259009 = 608^2 + 1503^2 .

It is a cyclic number.

It is not a de Polignac number, because 2628673 - 2²¹ = 531521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2628679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21486 + ... + 21607.

It is an arithmetic number, because the mean of its divisors is an integer number (667957).

2^2628673 is an apocalyptic number.

It is an amenable number.

2628673 is a deficient number, since it is larger than the sum of its proper divisors (43155).

2628673 is an equidigital number, since it uses as much as digits as its factorization.

2628673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43154.

The product of its digits is 24192, while the sum is 34.

The square root of 2628673 is about 1621.3182907745. The cubic root of 2628673 is about 138.0105186969.

The spelling of 2628673 in words is "two million, six hundred twenty-eight thousand, six hundred seventy-three".