943842 has 8 divisors (see below), whose sum is σ = 1887696. Its totient is φ = 314612.

The previous prime is 943841. The next prime is 943843. The reversal of 943842 is 248349.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (943841) and next prime (943843).

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

943842 is an admirable number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (943841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78648 + ... + 78659.

It is an arithmetic number, because the mean of its divisors is an integer number (235962).

2⁹⁴³⁸⁴² is an apocalyptic number.

943842 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.

943842 is a wasteful number, since it uses less digits than its factorization.

943842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157312.

The product of its digits is 6912, while the sum is 30.

The square root of 943842 is about 971.5153112535. The cubic root of 943842 is about 98.0918893790.

The spelling of 943842 in words is "nine hundred forty-three thousand, eight hundred forty-two".