1304223606 has 80 divisors (see below), whose sum is σ = 3349485216. Its totient is φ = 371568384.

The previous prime is 1304223601. The next prime is 1304223611. The reversal of 1304223606 is 6063224031.

1304223606 is a `hidden beast` number, since 1 + 30 + 4 + 2 + 23 + 606 = 666.

It is an interprime number because it is at equal distance from previous prime (1304223601) and next prime (1304223611).

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1304223606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304223601) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 448750 + ... + 451646.

Almost surely, 2^1304223606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304223606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1674742608).

1304223606 is an abundant number, since it is smaller than the sum of its proper divisors (2045261610).

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

1304223606 is a wasteful number, since it uses less digits than its factorization.

1304223606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315 (or 3306 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1304223606 is about 36114.0361355526. The cubic root of 1304223606 is about 1092.5735575278.

Adding to 1304223606 its reverse (6063224031), we get a palindrome (7367447637).

The spelling of 1304223606 in words is "one billion, three hundred four million, two hundred twenty-three thousand, six hundred six".