1304316 has 48 divisors (see below), whose sum is σ = 3645600. Its totient is φ = 400896.

The previous prime is 1304309. The next prime is 1304321. The reversal of 1304316 is 6134031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 940 + ... + 1868.

It is an arithmetic number, because the mean of its divisors is an integer number (75950).

2^1304316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1822800).

1304316 is an abundant number, since it is smaller than the sum of its proper divisors (2341284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1304316 is a wasteful number, since it uses less digits than its factorization.

1304316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955 (or 947 counting only the distinct ones).

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

The square root of 1304316 is about 1142.0665479735. The cubic root of 1304316 is about 109.2599357004.

Adding to 1304316 its reverse (6134031), we get a palindrome (7438347).

The spelling of 1304316 in words is "one million, three hundred four thousand, three hundred sixteen".