2604243 has 4 divisors (see below), whose sum is σ = 3472328. Its totient is φ = 1736160.

The previous prime is 2604227. The next prime is 2604253. The reversal of 2604243 is 3424062.

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

It is not a de Polignac number, because 2604243 - 2⁴ = 2604227 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 6³ + 0 + 4⁸ + 2²¹ + 4⁹ + 3¹¹ .

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2604253) 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, 434038 + ... + 434043.

It is an arithmetic number, because the mean of its divisors is an integer number (868082).

2^2604243 is an apocalyptic number.

2604243 is a deficient number, since it is larger than the sum of its proper divisors (868085).

2604243 is an equidigital number, since it uses as much as digits as its factorization.

2604243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868084.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2604243 is about 1613.7667117647. The cubic root of 2604243 is about 137.5816462754.

The spelling of 2604243 in words is "two million, six hundred four thousand, two hundred forty-three".