11289624 has 32 divisors (see below), whose sum is σ = 28504320. Its totient is φ = 3725856.

The previous prime is 11289623. The next prime is 11289631. The reversal of 11289624 is 42698211.

It is a super-2 number, since 2×11289624² = 254911220122752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11289623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189 + ... + 4755.

It is an arithmetic number, because the mean of its divisors is an integer number (890760).

Almost surely, 2^11289624 is an apocalyptic number.

It is an amenable number.

11289624 is an abundant number, since it is smaller than the sum of its proper divisors (17214696).

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

11289624 is a wasteful number, since it uses less digits than its factorization.

11289624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679 (or 4675 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 11289624 is about 3360.0035714267. The cubic root of 11289624 is about 224.3329974941.

The spelling of 11289624 in words is "eleven million, two hundred eighty-nine thousand, six hundred twenty-four".