11489388 has 48 divisors (see below), whose sum is σ = 27898080. Its totient is φ = 3677184.

The previous prime is 11489383. The next prime is 11489407. The reversal of 11489388 is 88398411.

11489388 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11489388² = 264012073229088, which contains 22 as substring.

Its product of digits (55296) is a multiple of the sum of its prime divisors (384).

It is not an unprimeable number, because it can be changed into a prime (11489383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50058 + ... + 50286.

It is an arithmetic number, because the mean of its divisors is an integer number (581210).

Almost surely, 2^11489388 is an apocalyptic number.

It is an amenable number.

11489388 is an abundant number, since it is smaller than the sum of its proper divisors (16408692).

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

11489388 is a wasteful number, since it uses less digits than its factorization.

11489388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 384 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 11489388 is about 3389.5999763984. The cubic root of 11489388 is about 225.6484208978.

The spelling of 11489388 in words is "eleven million, four hundred eighty-nine thousand, three hundred eighty-eight".