1442947 has 8 divisors (see below), whose sum is σ = 1608192. Its totient is φ = 1283400.

The previous prime is 1442941. The next prime is 1442971. The reversal of 1442947 is 7492441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1442947 - 2³ = 1442939 is a prime.

It is a d-powerful number, because it can be written as 1 + 4⁵ + 4⁹ + 2¹⁷ + 9² + 4¹⁰ + 7² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879 + ... + 1912.

It is an arithmetic number, because the mean of its divisors is an integer number (201024).

2^1442947 is an apocalyptic number.

1442947 is a deficient number, since it is larger than the sum of its proper divisors (165245).

1442947 is a wasteful number, since it uses less digits than its factorization.

1442947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849.

The product of its digits is 8064, while the sum is 31.

The square root of 1442947 is about 1201.2272890673. The cubic root of 1442947 is about 113.0013052294.

The spelling of 1442947 in words is "one million, four hundred forty-two thousand, nine hundred forty-seven".