11822938 has 16 divisors (see below), whose sum is σ = 18109440. Its totient is φ = 5787936.

The previous prime is 11822929. The next prime is 11822957. The reversal of 11822938 is 83922811.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 22345 + ... + 22867.

It is an arithmetic number, because the mean of its divisors is an integer number (1131840).

Almost surely, 2^11822938 is an apocalyptic number.

11822938 is a deficient number, since it is larger than the sum of its proper divisors (6286502).

11822938 is a wasteful number, since it uses less digits than its factorization.

11822938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741.

The product of its digits is 6912, while the sum is 34.

The square root of 11822938 is about 3438.4499414707. The cubic root of 11822938 is about 227.8112344448.

The spelling of 11822938 in words is "eleven million, eight hundred twenty-two thousand, nine hundred thirty-eight".