2608345 has 4 divisors (see below), whose sum is σ = 3130020. Its totient is φ = 2086672.

The previous prime is 2608313. The next prime is 2608349. The reversal of 2608345 is 5438062.

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 788544 + 1819801 = 888^2 + 1349^2 .

It is a cyclic number.

It is not a de Polignac number, because 2608345 - 2⁵ = 2608313 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2608349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260830 + ... + 260839.

It is an arithmetic number, because the mean of its divisors is an integer number (782505).

2^2608345 is an apocalyptic number.

It is an amenable number.

2608345 is a deficient number, since it is larger than the sum of its proper divisors (521675).

2608345 is an equidigital number, since it uses as much as digits as its factorization.

2608345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521674.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2608345 is about 1615.0371512755. The cubic root of 2608345 is about 137.6538443332.

The spelling of 2608345 in words is "two million, six hundred eight thousand, three hundred forty-five".