11289534 has 32 divisors (see below), whose sum is σ = 23950080. Its totient is φ = 3537792.

The previous prime is 11289517. The next prime is 11289559. The reversal of 11289534 is 43598211.

It is a junction number, because it is equal to n+sod(n) for n = 11289495 and 11289504.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18742 + ... + 19334.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 2^11289534 is an apocalyptic number.

11289534 is an abundant number, since it is smaller than the sum of its proper divisors (12660546).

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

11289534 is a wasteful number, since it uses less digits than its factorization.

11289534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784.

The product of its digits is 8640, while the sum is 33.

The square root of 11289534 is about 3359.9901785571. The cubic root of 11289534 is about 224.3324013708.

The spelling of 11289534 in words is "eleven million, two hundred eighty-nine thousand, five hundred thirty-four".