1304361 has 12 divisors (see below), whose sum is σ = 1935492. Its totient is φ = 845856.

The previous prime is 1304357. The next prime is 1304371. The reversal of 1304361 is 1634031.

1304361 is a `hidden beast` number, since 1 + 304 + 361 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1115136 + 189225 = 1056^2 + 435^2 .

It is not a de Polignac number, because 1304361 - 2² = 1304357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304321) 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, 1626 + ... + 2291.

It is an arithmetic number, because the mean of its divisors is an integer number (161291).

2^1304361 is an apocalyptic number.

It is an amenable number.

1304361 is a deficient number, since it is larger than the sum of its proper divisors (631131).

1304361 is a wasteful number, since it uses less digits than its factorization.

1304361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960 (or 3957 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1304361 is about 1142.0862489322. The cubic root of 1304361 is about 109.2611922059.

Adding to 1304361 its reverse (1634031), we get a palindrome (2938392).

The spelling of 1304361 in words is "one million, three hundred four thousand, three hundred sixty-one".