1304442 has 12 divisors (see below), whose sum is σ = 2826330. Its totient is φ = 434808.

The previous prime is 1304419. The next prime is 1304477. The reversal of 1304442 is 2444031.

It can be written as a sum of positive squares in only one way, i.e., 1279161 + 25281 = 1131^2 + 159^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 72469 = 1304442 / (1 + 3 + 0 + 4 + 4 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36217 + ... + 36252.

2^1304442 is an apocalyptic number.

1304442 is an abundant number, since it is smaller than the sum of its proper divisors (1521888).

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

1304442 is a wasteful number, since it uses less digits than its factorization.

1304442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72477 (or 72474 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1304442 is about 1142.1217098015. The cubic root of 1304442 is about 109.2634538429.

Adding to 1304442 its reverse (2444031), we get a palindrome (3748473).

The spelling of 1304442 in words is "one million, three hundred four thousand, four hundred forty-two".