1084489 has 4 divisors (see below), whose sum is σ = 1239424. Its totient is φ = 929556.

The previous prime is 1084483. The next prime is 1084493. The reversal of 1084489 is 9844801.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9844801 = 659 ⋅14939.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1084489 is a prime.

It is a super-2 number, since 2×1084489² = 2352232782242, which contains 22 as substring.

It is a Duffinian number.

1084489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1084483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77457 + ... + 77470.

It is an arithmetic number, because the mean of its divisors is an integer number (309856).

2^1084489 is an apocalyptic number.

It is an amenable number.

1084489 is a deficient number, since it is larger than the sum of its proper divisors (154935).

1084489 is an equidigital number, since it uses as much as digits as its factorization.

1084489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154934.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1084489 is about 1041.3880160632. The cubic root of 1084489 is about 102.7405099738.

The spelling of 1084489 in words is "one million, eighty-four thousand, four hundred eighty-nine".