1447442 has 4 divisors (see below), whose sum is σ = 2171166. Its totient is φ = 723720.

The previous prime is 1447441. The next prime is 1447471. The reversal of 1447442 is 2447441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2447441 = 71 ⋅34471.

It can be written as a sum of positive squares in only one way, i.e., 1442401 + 5041 = 1201^2 + 71^2 .

It is not an unprimeable number, because it can be changed into a prime (1447441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361859 + ... + 361862.

2^1447442 is an apocalyptic number.

1447442 is a deficient number, since it is larger than the sum of its proper divisors (723724).

1447442 is an equidigital number, since it uses as much as digits as its factorization.

1447442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723723.

The product of its digits is 3584, while the sum is 26.

The square root of 1447442 is about 1203.0968373327. The cubic root of 1447442 is about 113.1185223645.

Subtracting 1447442 from its reverse (2447441), we obtain a palindrome (999999).

The spelling of 1447442 in words is "one million, four hundred forty-seven thousand, four hundred forty-two".