11146389 has 8 divisors (see below), whose sum is σ = 14877312. Its totient is φ = 7423200.

The previous prime is 11146363. The next prime is 11146393. The reversal of 11146389 is 98364111.

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

It is not a de Polignac number, because 11146389 - 2⁵ = 11146357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11146309) 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, 4372 + ... + 6434.

It is an arithmetic number, because the mean of its divisors is an integer number (1859664).

Almost surely, 2^11146389 is an apocalyptic number.

It is an amenable number.

11146389 is a deficient number, since it is larger than the sum of its proper divisors (3730923).

11146389 is a wasteful number, since it uses less digits than its factorization.

11146389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867.

The product of its digits is 5184, while the sum is 33.

The square root of 11146389 is about 3338.6208230346. The cubic root of 11146389 is about 223.3802290076.

It can be divided in two parts, 1114 and 6389, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 11146389 in words is "eleven million, one hundred forty-six thousand, three hundred eighty-nine".