1085636 has 6 divisors (see below), whose sum is σ = 1899870. Its totient is φ = 542816.

The previous prime is 1085633. The next prime is 1085657. The reversal of 1085636 is 6365801.

It can be written as a sum of positive squares in only one way, i.e., 1020100 + 65536 = 1010^2 + 256^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1085599 and 1085608.

It is not an unprimeable number, because it can be changed into a prime (1085633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135701 + ... + 135708.

It is an arithmetic number, because the mean of its divisors is an integer number (316645).

2^1085636 is an apocalyptic number.

It is an amenable number.

1085636 is a deficient number, since it is larger than the sum of its proper divisors (814234).

1085636 is a wasteful number, since it uses less digits than its factorization.

1085636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271413 (or 271411 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1085636 is about 1041.9385778442. The cubic root of 1085636 is about 102.7767180693.

The spelling of 1085636 in words is "one million, eighty-five thousand, six hundred thirty-six".