11609419 has 10 divisors (see below), whose sum is σ = 12423740. Its totient is φ = 10847904.

The previous prime is 11609417. The next prime is 11609449. The reversal of 11609419 is 91490611.

It is not a de Polignac number, because 11609419 - 2¹ = 11609417 is a prime.

It is a super-2 number, since 2×11609419² = 269557219035122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11609413) 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 9 ways as a sum of consecutive naturals, for example, 83452 + ... + 83590.

It is an arithmetic number, because the mean of its divisors is an integer number (1242374).

Almost surely, 2^11609419 is an apocalyptic number.

11609419 is a deficient number, since it is larger than the sum of its proper divisors (814321).

11609419 is an frugal number, since it uses more digits than its factorization.

11609419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 11609419 is about 3407.2597494174. The cubic root of 11609419 is about 226.4314921939.

The spelling of 11609419 in words is "eleven million, six hundred nine thousand, four hundred nineteen".