1086984 has 48 divisors (see below), whose sum is σ = 3045120. Its totient is φ = 349920.

The previous prime is 1086937. The next prime is 1086989. The reversal of 1086984 is 4896801.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1989 + ... + 2475.

It is an arithmetic number, because the mean of its divisors is an integer number (63440).

2^1086984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1086984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522560).

1086984 is an abundant number, since it is smaller than the sum of its proper divisors (1958136).

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

1086984 is a wasteful number, since it uses less digits than its factorization.

1086984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1086984 is about 1042.5852483131. The cubic root of 1086984 is about 102.8192386790.

The spelling of 1086984 in words is "one million, eighty-six thousand, nine hundred eighty-four".