1084321 has 6 divisors (see below), whose sum is σ = 1261410. Its totient is φ = 929376.

The previous prime is 1084313. The next prime is 1084333. The reversal of 1084321 is 1234801.

It can be written as a sum of positive squares in only one way, i.e., 1073296 + 11025 = 1036^2 + 105^2 .

It is not a de Polignac number, because 1084321 - 2³ = 1084313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1084301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11016 + ... + 11113.

It is an arithmetic number, because the mean of its divisors is an integer number (210235).

2^1084321 is an apocalyptic number.

It is an amenable number.

1084321 is a deficient number, since it is larger than the sum of its proper divisors (177089).

1084321 is an equidigital number, since it uses as much as digits as its factorization.

1084321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22143 (or 22136 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1084321 is about 1041.3073513617. The cubic root of 1084321 is about 102.7352044652.

The spelling of 1084321 in words is "one million, eighty-four thousand, three hundred twenty-one".