11424489 has 4 divisors (see below), whose sum is σ = 15232656. Its totient is φ = 7616324.

The previous prime is 11424473. The next prime is 11424499. The reversal of 11424489 is 98442411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98442411 = 3 ⋅32814137.

It is a cyclic number.

It is not a de Polignac number, because 11424489 - 2⁴ = 11424473 is a prime.

It is a super-3 number, since 3×11424489³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (11424499) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1904079 + ... + 1904084.

It is an arithmetic number, because the mean of its divisors is an integer number (3808164).

Almost surely, 2^11424489 is an apocalyptic number.

It is an amenable number.

11424489 is a deficient number, since it is larger than the sum of its proper divisors (3808167).

11424489 is an equidigital number, since it uses as much as digits as its factorization.

11424489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808166.

The product of its digits is 9216, while the sum is 33.

The square root of 11424489 is about 3380.0131656548. The cubic root of 11424489 is about 225.2227522398. Note that the first 3 decimals are identical.

The spelling of 11424489 in words is "eleven million, four hundred twenty-four thousand, four hundred eighty-nine".