11189340 has 60 divisors (see below), whose sum is σ = 35106456. Its totient is φ = 2983392.

The previous prime is 11189333. The next prime is 11189341. The reversal of 11189340 is 4398111.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11189341) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 1834 + ... + 5073.

Almost surely, 2^11189340 is an apocalyptic number.

11189340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11189340 is an abundant number, since it is smaller than the sum of its proper divisors (23917116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11189340 is a wasteful number, since it uses less digits than its factorization.

11189340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6928 (or 6917 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 11189340 is about 3345.0470848704. The cubic root of 11189340 is about 223.6667824071. Note that the first 3 decimals are identical.

The spelling of 11189340 in words is "eleven million, one hundred eighty-nine thousand, three hundred forty".