11424388 has 6 divisors (see below), whose sum is σ = 19992686. Its totient is φ = 5712192.

The previous prime is 11424383. The next prime is 11424389. The reversal of 11424388 is 88342411.

It can be written as a sum of positive squares in only one way, i.e., 10771524 + 652864 = 3282^2 + 808^2 .

It is not an unprimeable number, because it can be changed into a prime (11424383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1428045 + ... + 1428052.

Almost surely, 2^11424388 is an apocalyptic number.

It is an amenable number.

11424388 is a deficient number, since it is larger than the sum of its proper divisors (8568298).

11424388 is a wasteful number, since it uses less digits than its factorization.

11424388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856101 (or 2856099 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 11424388 is about 3379.9982248516. The cubic root of 11424388 is about 225.2220885321. Note that the first 3 decimals are identical.

Adding to 11424388 its reverse (88342411), we get a palindrome (99766799).

The spelling of 11424388 in words is "eleven million, four hundred twenty-four thousand, three hundred eighty-eight".