1000842 has 8 divisors (see below), whose sum is σ = 2001696. Its totient is φ = 333612.

The previous prime is 1000829. The next prime is 1000847. The reversal of 1000842 is 2480001.

1000842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

1000842 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1000847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83398 + ... + 83409.

It is an arithmetic number, because the mean of its divisors is an integer number (250212).

2^1000842 is an apocalyptic number.

1000842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1000842 is a wasteful number, since it uses less digits than its factorization.

1000842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166812.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1000842 is about 1000.4209114168. The cubic root of 1000842 is about 100.0280587930.

Adding to 1000842 its reverse (2480001), we get a palindrome (3480843).

The spelling of 1000842 in words is "one million, eight hundred forty-two", and thus it is an aban number.