11909338 has 32 divisors (see below), whose sum is σ = 21297024. Its totient is φ = 4888512.

The previous prime is 11909309. The next prime is 11909351. The reversal of 11909338 is 83390911.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42856 + ... + 43132.

It is an arithmetic number, because the mean of its divisors is an integer number (665532).

Almost surely, 2^11909338 is an apocalyptic number.

11909338 is a deficient number, since it is larger than the sum of its proper divisors (9387686).

11909338 is a wasteful number, since it uses less digits than its factorization.

11909338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 11909338 is about 3450.9908721989. The cubic root of 11909338 is about 228.3648232391.

The spelling of 11909338 in words is "eleven million, nine hundred nine thousand, three hundred thirty-eight".