1086009 has 4 divisors (see below), whose sum is σ = 1448016. Its totient is φ = 724004.

The previous prime is 1085989. The next prime is 1086031. The reversal of 1086009 is 9006801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1086009 - 2⁷ = 1085881 is a prime.

It is a D-number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 1086009.

It is not an unprimeable number, because it can be changed into a prime (1086089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180999 + ... + 181004.

It is an arithmetic number, because the mean of its divisors is an integer number (362004).

2^1086009 is an apocalyptic number.

It is an amenable number.

1086009 is a deficient number, since it is larger than the sum of its proper divisors (362007).

1086009 is an equidigital number, since it uses as much as digits as its factorization.

1086009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362006.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1086009 is about 1042.1175557489. The cubic root of 1086009 is about 102.7884873076.

The spelling of 1086009 in words is "one million, eighty-six thousand, nine".