11481938 has 8 divisors (see below), whose sum is σ = 18547788. Its totient is φ = 5299344.

The previous prime is 11481929. The next prime is 11481961. The reversal of 11481938 is 83918411.

It can be written as a sum of positive squares in 2 ways, for example, as 11444689 + 37249 = 3383^2 + 193^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 11481898 and 11481907.

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 3 ways as a sum of consecutive naturals, for example, 220781 + ... + 220832.

Almost surely, 2^11481938 is an apocalyptic number.

11481938 is a deficient number, since it is larger than the sum of its proper divisors (7065850).

11481938 is a wasteful number, since it uses less digits than its factorization.

11481938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441628.

The product of its digits is 6912, while the sum is 35.

The square root of 11481938 is about 3388.5008484579. The cubic root of 11481938 is about 225.5996383685.

The spelling of 11481938 in words is "eleven million, four hundred eighty-one thousand, nine hundred thirty-eight".