981942 has 16 divisors (see below), whose sum is σ = 2115120. Its totient is φ = 302112.

The previous prime is 981941. The next prime is 981947. The reversal of 981942 is 249189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6217 + ... + 6372.

It is an arithmetic number, because the mean of its divisors is an integer number (132195).

2⁹⁸¹⁹⁴² is an apocalyptic number.

981942 is an abundant number, since it is smaller than the sum of its proper divisors (1133178).

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

981942 is a wasteful number, since it uses less digits than its factorization.

981942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12607.

The product of its digits is 5184, while the sum is 33.

The square root of 981942 is about 990.9298663377. The cubic root of 981942 is about 99.3944066367.

The spelling of 981942 in words is "nine hundred eighty-one thousand, nine hundred forty-two".