1099206 has 24 divisors (see below), whose sum is σ = 2414880. Its totient is φ = 361296.

The previous prime is 1099199. The next prime is 1099223. The reversal of 1099206 is 6029901.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1099206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1036 + ... + 1808.

It is an arithmetic number, because the mean of its divisors is an integer number (100620).

2^1099206 is an apocalyptic number.

1099206 is an abundant number, since it is smaller than the sum of its proper divisors (1315674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1099206 is a wasteful number, since it uses less digits than its factorization.

1099206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1099206 is about 1048.4302551911. The cubic root of 1099206 is about 103.2031682820.

The spelling of 1099206 in words is "one million, ninety-nine thousand, two hundred six".