5604649 has 4 divisors (see below), whose sum is σ = 5756164. Its totient is φ = 5453136.

The previous prime is 5604631. The next prime is 5604653. The reversal of 5604649 is 9464065.

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 2663424 + 2941225 = 1632^2 + 1715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5604649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5604629) 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, 75702 + ... + 75775.

It is an arithmetic number, because the mean of its divisors is an integer number (1439041).

Almost surely, 2^5604649 is an apocalyptic number.

It is an amenable number.

5604649 is a deficient number, since it is larger than the sum of its proper divisors (151515).

5604649 is a wasteful number, since it uses less digits than its factorization.

5604649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151514.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 5604649 is about 2367.4139899899. The cubic root of 5604649 is about 177.6299280145.

The spelling of 5604649 in words is "five million, six hundred four thousand, six hundred forty-nine".