11905394 has 4 divisors (see below), whose sum is σ = 17858094. Its totient is φ = 5952696.

The previous prime is 11905393. The next prime is 11905403. The reversal of 11905394 is 49350911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11323225 + 582169 = 3365^2 + 763^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11905394.

It is not an unprimeable number, because it can be changed into a prime (11905393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2976347 + ... + 2976350.

Almost surely, 2^11905394 is an apocalyptic number.

11905394 is a deficient number, since it is larger than the sum of its proper divisors (5952700).

11905394 is an equidigital number, since it uses as much as digits as its factorization.

11905394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5952699.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 11905394 is about 3450.4193947983. The cubic root of 11905394 is about 228.3396113618.

The spelling of 11905394 in words is "eleven million, nine hundred five thousand, three hundred ninety-four".