981266 has 32 divisors (see below), whose sum is σ = 1790208. Its totient is φ = 397440.

The previous prime is 981263. The next prime is 981271. The reversal of 981266 is 662189.

It is a plaindrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981263) 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 15 ways as a sum of consecutive naturals, for example, 13406 + ... + 13478.

It is an arithmetic number, because the mean of its divisors is an integer number (55944).

2⁹⁸¹²⁶⁶ is an apocalyptic number.

981266 is a deficient number, since it is larger than the sum of its proper divisors (808942).

981266 is a wasteful number, since it uses less digits than its factorization.

981266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146.

The product of its digits is 5184, while the sum is 32.

The square root of 981266 is about 990.5887138465. The cubic root of 981266 is about 99.3715926472.

The spelling of 981266 in words is "nine hundred eighty-one thousand, two hundred sixty-six".