1086641 has 2 divisors, whose sum is σ = 1086642. Its totient is φ = 1086640.

The previous prime is 1086637. The next prime is 1086647. The reversal of 1086641 is 1466801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1081600 + 5041 = 1040^2 + 71^2 .

It is a cyclic number.

It is not a de Polignac number, because 1086641 - 2² = 1086637 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1086641.

It is not a weakly prime, because it can be changed into another prime (1086647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543320 + 543321.

It is an arithmetic number, because the mean of its divisors is an integer number (543321).

2^1086641 is an apocalyptic number.

It is an amenable number.

1086641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086641 is an equidigital number, since it uses as much as digits as its factorization.

1086641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1086641 is about 1042.4207403923. The cubic root of 1086641 is about 102.8084226017.

The spelling of 1086641 in words is "one million, eighty-six thousand, six hundred forty-one".