11442909 has 8 divisors (see below), whose sum is σ = 15273472. Its totient is φ = 7620480.

The previous prime is 11442889. The next prime is 11442917. The reversal of 11442909 is 90924411.

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

It is not a de Polignac number, because 11442909 - 2⁵ = 11442877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11442919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3117 + ... + 5709.

It is an arithmetic number, because the mean of its divisors is an integer number (1909184).

Almost surely, 2^11442909 is an apocalyptic number.

It is an amenable number.

11442909 is a deficient number, since it is larger than the sum of its proper divisors (3830563).

11442909 is a wasteful number, since it uses less digits than its factorization.

11442909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 11442909 is about 3382.7369096635. The cubic root of 11442909 is about 225.3437314059.

The spelling of 11442909 in words is "eleven million, four hundred forty-two thousand, nine hundred nine".