11489538 has 8 divisors (see below), whose sum is σ = 22979088. Its totient is φ = 3829844.

The previous prime is 11489537. The next prime is 11489567. The reversal of 11489538 is 83598411.

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

11489538 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 11489496 and 11489505.

It is not an unprimeable number, because it can be changed into a prime (11489531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957456 + ... + 957467.

It is an arithmetic number, because the mean of its divisors is an integer number (2872386).

Almost surely, 2^11489538 is an apocalyptic number.

11489538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11489538 is a wasteful number, since it uses less digits than its factorization.

11489538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914928.

The product of its digits is 34560, while the sum is 39.

The square root of 11489538 is about 3389.6221028309. The cubic root of 11489538 is about 225.6494028798.

The spelling of 11489538 in words is "eleven million, four hundred eighty-nine thousand, five hundred thirty-eight".