1084189 has 4 divisors (see below), whose sum is σ = 1086624. Its totient is φ = 1081756.

The previous prime is 1084177. The next prime is 1084217. The reversal of 1084189 is 9814801.

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 1084189 - 2⁵ = 1084157 is a prime.

It is a Duffinian number.

1084189 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1084189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082189) 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, 337 + ... + 1510.

It is an arithmetic number, because the mean of its divisors is an integer number (271656).

2^1084189 is an apocalyptic number.

It is an amenable number.

1084189 is a deficient number, since it is larger than the sum of its proper divisors (2435).

1084189 is an equidigital number, since it uses as much as digits as its factorization.

1084189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1084189 is about 1041.2439675696. The cubic root of 1084189 is about 102.7310354669.

The spelling of 1084189 in words is "one million, eighty-four thousand, one hundred eighty-nine".