981956 has 12 divisors (see below), whose sum is σ = 1774080. Its totient is φ = 475080.

The previous prime is 981949. The next prime is 981961. The reversal of 981956 is 659189.

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 3 ways as a sum of consecutive naturals, for example, 3836 + ... + 4083.

It is an arithmetic number, because the mean of its divisors is an integer number (147840).

2⁹⁸¹⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

981956 is a deficient number, since it is larger than the sum of its proper divisors (792124).

981956 is a wasteful number, since it uses less digits than its factorization.

981956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7954 (or 7952 counting only the distinct ones).

The product of its digits is 19440, while the sum is 38.

The square root of 981956 is about 990.9369303846. The cubic root of 981956 is about 99.3948790051.

The spelling of 981956 in words is "nine hundred eighty-one thousand, nine hundred fifty-six".