981886 has 8 divisors (see below), whose sum is σ = 1559520. Its totient is φ = 462048.

The previous prime is 981823. The next prime is 981887. The reversal of 981886 is 688189.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981887) by changing a digit.

981886 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14406 + ... + 14473.

It is an arithmetic number, because the mean of its divisors is an integer number (194940).

2⁹⁸¹⁸⁸⁶ is an apocalyptic number.

981886 is a deficient number, since it is larger than the sum of its proper divisors (577634).

981886 is a wasteful number, since it uses less digits than its factorization.

981886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28898.

The product of its digits is 27648, while the sum is 40.

The square root of 981886 is about 990.9016096465. The cubic root of 981886 is about 99.3925171182.

The spelling of 981886 in words is "nine hundred eighty-one thousand, eight hundred eighty-six".