11290309 has 8 divisors (see below), whose sum is σ = 12188160. Its totient is φ = 10426416.

The previous prime is 11290303. The next prime is 11290333. The reversal of 11290309 is 90309211.

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

It is a cyclic number.

It is not a de Polignac number, because 11290309 - 2⁵ = 11290277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11290303) 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, 7797 + ... + 9130.

It is an arithmetic number, because the mean of its divisors is an integer number (1523520).

Almost surely, 2^11290309 is an apocalyptic number.

It is an amenable number.

11290309 is a deficient number, since it is larger than the sum of its proper divisors (897851).

11290309 is a wasteful number, since it uses less digits than its factorization.

11290309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16979.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 11290309 is about 3360.1055042960. The cubic root of 11290309 is about 224.3375345509.

The spelling of 11290309 in words is "eleven million, two hundred ninety thousand, three hundred nine".