1085684 has 12 divisors (see below), whose sum is σ = 1908900. Its totient is φ = 540288.

The previous prime is 1085681. The next prime is 1085687. The reversal of 1085684 is 4865801.

It is an interprime number because it is at equal distance from previous prime (1085681) and next prime (1085687).

It can be written as a sum of positive squares in 2 ways, for example, as 183184 + 902500 = 428^2 + 950^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1085684.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085681) 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, 572 + ... + 1580.

It is an arithmetic number, because the mean of its divisors is an integer number (159075).

2^1085684 is an apocalyptic number.

It is an amenable number.

1085684 is a deficient number, since it is larger than the sum of its proper divisors (823216).

1085684 is a wasteful number, since it uses less digits than its factorization.

1085684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 1085684 is about 1041.9616115769. The cubic root of 1085684 is about 102.7782327605.

The spelling of 1085684 in words is "one million, eighty-five thousand, six hundred eighty-four".