11839493 has 4 divisors (see below), whose sum is σ = 11989440. Its totient is φ = 11689548.

The previous prime is 11839481. The next prime is 11839501. The reversal of 11839493 is 39493811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11839493 - 2⁸ = 11839237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11839423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74855 + ... + 75012.

It is an arithmetic number, because the mean of its divisors is an integer number (2997360).

Almost surely, 2^11839493 is an apocalyptic number.

It is an amenable number.

11839493 is a deficient number, since it is larger than the sum of its proper divisors (149947).

11839493 is an equidigital number, since it uses as much as digits as its factorization.

11839493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149946.

The product of its digits is 23328, while the sum is 38.

The square root of 11839493 is about 3440.8564340873. The cubic root of 11839493 is about 227.9175153048.

The spelling of 11839493 in words is "eleven million, eight hundred thirty-nine thousand, four hundred ninety-three".