1075986 has 36 divisors (see below), whose sum is σ = 2458638. Its totient is φ = 340032.

The previous prime is 1075973. The next prime is 1076003. The reversal of 1075986 is 6895701.

It can be written as a sum of positive squares in only one way, i.e., 1071225 + 4761 = 1035^2 + 69^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1075986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9466 + ... + 9578.

2^1075986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1075986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1229319).

1075986 is an abundant number, since it is smaller than the sum of its proper divisors (1382652).

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

1075986 is a wasteful number, since it uses less digits than its factorization.

1075986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1075986 is about 1037.2974501077. The cubic root of 1075986 is about 102.4712907897.

The spelling of 1075986 in words is "one million, seventy-five thousand, nine hundred eighty-six".