11438481 has 8 divisors (see below), whose sum is σ = 15274624. Its totient is φ = 7614000.

The previous prime is 11438477. The next prime is 11438491. The reversal of 11438481 is 18483411.

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

It is not a de Polignac number, because 11438481 - 2² = 11438477 is a prime.

It is a super-2 number, since 2×11438481² = 261677695174722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11438431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286 + ... + 4791.

It is an arithmetic number, because the mean of its divisors is an integer number (1909328).

Almost surely, 2^11438481 is an apocalyptic number.

It is an amenable number.

11438481 is a deficient number, since it is larger than the sum of its proper divisors (3836143).

11438481 is an equidigital number, since it uses as much as digits as its factorization.

11438481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831.

The product of its digits is 3072, while the sum is 30.

The square root of 11438481 is about 3382.0823467207. The cubic root of 11438481 is about 225.3146609782.

It can be divided in two parts, 114 and 38481, that multiplied together give a palindrome (4386834).

The spelling of 11438481 in words is "eleven million, four hundred thirty-eight thousand, four hundred eighty-one".