1068909 has 8 divisors (see below), whose sum is σ = 1509120. Its totient is φ = 670656.

The previous prime is 1068901. The next prime is 1068913. The reversal of 1068909 is 9098601.

It is a happy number.

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

It is not a de Polignac number, because 1068909 - 2³ = 1068901 is a prime.

It is a super-2 number, since 2×1068909² = 2285132900562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1068909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068901) by changing a digit.

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, 10429 + ... + 10530.

It is an arithmetic number, because the mean of its divisors is an integer number (188640).

2^1068909 is an apocalyptic number.

It is an amenable number.

1068909 is a deficient number, since it is larger than the sum of its proper divisors (440211).

1068909 is a wasteful number, since it uses less digits than its factorization.

1068909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20979.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 1068909 is about 1033.8805540293. The cubic root of 1068909 is about 102.2461375904.

The spelling of 1068909 in words is "one million, sixty-eight thousand, nine hundred nine".