1085506 has 8 divisors (see below), whose sum is σ = 1672380. Its totient is φ = 528048.

The previous prime is 1085473. The next prime is 1085509. The reversal of 1085506 is 6055801.

It can be written as a sum of positive squares in 2 ways, for example, as 990025 + 95481 = 995^2 + 309^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1085509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7261 + ... + 7408.

2^1085506 is an apocalyptic number.

1085506 is a deficient number, since it is larger than the sum of its proper divisors (586874).

1085506 is a wasteful number, since it uses less digits than its factorization.

1085506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14708.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1085506 is about 1041.8761922609. The cubic root of 1085506 is about 102.7726155565.

The spelling of 1085506 in words is "one million, eighty-five thousand, five hundred six".