1084285 has 8 divisors (see below), whose sum is σ = 1336536. Its totient is φ = 843840.

The previous prime is 1084267. The next prime is 1084297. The reversal of 1084285 is 5824801.

It can be written as a sum of positive squares in 4 ways, for example, as 272484 + 811801 = 522^2 + 901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1084285 - 2⁵ = 1084253 is a prime.

It is a super-2 number, since 2×1084285² = 2351347922450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2746 + ... + 3115.

It is an arithmetic number, because the mean of its divisors is an integer number (167067).

2^1084285 is an apocalyptic number.

It is an amenable number.

1084285 is a deficient number, since it is larger than the sum of its proper divisors (252251).

1084285 is an equidigital number, since it uses as much as digits as its factorization.

1084285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5903.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1084285 is about 1041.2900652556. The cubic root of 1084285 is about 102.7340674992.

It can be divided in two parts, 1084 and 285, that added together give a square (1369 = 37²).

The spelling of 1084285 in words is "one million, eighty-four thousand, two hundred eighty-five".