1000442 has 16 divisors (see below), whose sum is σ = 1589760. Its totient is φ = 471408.

The previous prime is 1000429. The next prime is 1000453. The reversal of 1000442 is 2440001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2543 + ... + 2909.

It is an arithmetic number, because the mean of its divisors is an integer number (99360).

2^1000442 is an apocalyptic number.

1000442 is a deficient number, since it is larger than the sum of its proper divisors (589318).

1000442 is a wasteful number, since it uses less digits than its factorization.

1000442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1000442 is about 1000.2209755849. The cubic root of 1000442 is about 100.0147311632.

Adding to 1000442 its reverse (2440001), we get a palindrome (3440443).

The spelling of 1000442 in words is "one million, four hundred forty-two", and thus it is an aban number.