1304416 has 12 divisors (see below), whose sum is σ = 2568132. Its totient is φ = 652192.

The previous prime is 1304411. The next prime is 1304419. The reversal of 1304416 is 6144031.

It is a happy number.

It is a super-2 number, since 2×1304416² = 3403002202112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1304393 and 1304402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20350 + ... + 20413.

It is an arithmetic number, because the mean of its divisors is an integer number (214011).

2^1304416 is an apocalyptic number.

1304416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1304416 is a deficient number, since it is larger than the sum of its proper divisors (1263716).

1304416 is an equidigital number, since it uses as much as digits as its factorization.

1304416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40773 (or 40765 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1304416 is about 1142.1103274203. The cubic root of 1304416 is about 109.2627278955.

Adding to 1304416 its reverse (6144031), we get a palindrome (7448447).

The spelling of 1304416 in words is "one million, three hundred four thousand, four hundred sixteen".