11889036 has 36 divisors (see below), whose sum is σ = 30294264. Its totient is φ = 3931200.

The previous prime is 11889011. The next prime is 11889037. The reversal of 11889036 is 63098811.

11889036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11889037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3456 + ... + 5976.

Almost surely, 2^11889036 is an apocalyptic number.

It is an amenable number.

11889036 is an abundant number, since it is smaller than the sum of its proper divisors (18405228).

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

11889036 is a wasteful number, since it uses less digits than its factorization.

11889036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662 (or 2657 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 11889036 is about 3448.0481435154. The cubic root of 11889036 is about 228.2349839584.

The spelling of 11889036 in words is "eleven million, eight hundred eighty-nine thousand, thirty-six".