5604309 has 12 divisors (see below), whose sum is σ = 8395296. Its totient is φ = 3736044.

The previous prime is 5604307. The next prime is 5604329. The reversal of 5604309 is 9034065.

It is a happy number.

It is not a de Polignac number, because 5604309 - 2¹ = 5604307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5604301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11289 + ... + 11774.

It is an arithmetic number, because the mean of its divisors is an integer number (699608).

Almost surely, 2^5604309 is an apocalyptic number.

It is an amenable number.

5604309 is a deficient number, since it is larger than the sum of its proper divisors (2790987).

5604309 is an equidigital number, since it uses as much as digits as its factorization.

5604309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23078 (or 23066 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 5604309 is about 2367.3421805899. The cubic root of 5604309 is about 177.6263360324.

The spelling of 5604309 in words is "five million, six hundred four thousand, three hundred nine".