11389896 has 144 divisors (see below), whose sum is σ = 37789440. Its totient is φ = 3149280.

The previous prime is 11389877. The next prime is 11389897. The reversal of 11389896 is 69898311.

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11389897) 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 35 ways as a sum of consecutive naturals, for example, 367401 + ... + 367431.

Almost surely, 2^11389896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11389896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18894720).

11389896 is an abundant number, since it is smaller than the sum of its proper divisors (26399544).

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

11389896 is an frugal number, since it uses more digits than its factorization.

11389896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 43 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 11389896 is about 3374.8919982719. The cubic root of 11389896 is about 224.9951998976.

It can be divided in two parts, 113 and 89896, that added together give a palindrome (90009).

The spelling of 11389896 in words is "eleven million, three hundred eighty-nine thousand, eight hundred ninety-six".