11864038 has 4 divisors (see below), whose sum is σ = 17796060. Its totient is φ = 5932018.

The previous prime is 11864023. The next prime is 11864051. The reversal of 11864038 is 83046811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83046811 = 571 ⋅145441.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2966008 + ... + 2966011.

It is an arithmetic number, because the mean of its divisors is an integer number (4449015).

Almost surely, 2^11864038 is an apocalyptic number.

11864038 is a deficient number, since it is larger than the sum of its proper divisors (5932022).

11864038 is an equidigital number, since it uses as much as digits as its factorization.

11864038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5932021.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 11864038 is about 3444.4212866605. The cubic root of 11864038 is about 228.0749086991.

The spelling of 11864038 in words is "eleven million, eight hundred sixty-four thousand, thirty-eight".