11889493 has 8 divisors (see below), whose sum is σ = 14823360. Its totient is φ = 9264480.

The previous prime is 11889491. The next prime is 11889529. The reversal of 11889493 is 39498811.

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

It is a cyclic number.

It is not a de Polignac number, because 11889493 - 2¹ = 11889491 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 (11889491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77128 + ... + 77281.

It is an arithmetic number, because the mean of its divisors is an integer number (1852920).

Almost surely, 2^11889493 is an apocalyptic number.

It is an amenable number.

11889493 is a deficient number, since it is larger than the sum of its proper divisors (2933867).

11889493 is a wasteful number, since it uses less digits than its factorization.

11889493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154427.

The product of its digits is 62208, while the sum is 43.

The square root of 11889493 is about 3448.1144122549. The cubic root of 11889493 is about 228.2379082788.

The spelling of 11889493 in words is "eleven million, eight hundred eighty-nine thousand, four hundred ninety-three".