1086981 has 16 divisors (see below), whose sum is σ = 1671168. Its totient is φ = 615600.

The previous prime is 1086937. The next prime is 1086989. The reversal of 1086981 is 1896801.

1086981 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 1086981 - 2⁹ = 1086469 is a prime.

It is a super-2 number, since 2×1086981² = 2363055388722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3876 + ... + 4146.

It is an arithmetic number, because the mean of its divisors is an integer number (104448).

2^1086981 is an apocalyptic number.

It is an amenable number.

1086981 is a deficient number, since it is larger than the sum of its proper divisors (584187).

1086981 is a wasteful number, since it uses less digits than its factorization.

1086981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472.

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 1086981 is about 1042.5838095808. The cubic root of 1086981 is about 102.8191440876.

The spelling of 1086981 in words is "one million, eighty-six thousand, nine hundred eighty-one".