11316438 has 96 divisors (see below), whose sum is σ = 30700800. Its totient is φ = 2939328.

The previous prime is 11316379. The next prime is 11316443. The reversal of 11316438 is 83461311.

11316438 is a `hidden beast` number, since 1 + 13 + 1 + 643 + 8 = 666.

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 69345 + ... + 69507.

It is an arithmetic number, because the mean of its divisors is an integer number (319800).

Almost surely, 2^11316438 is an apocalyptic number.

11316438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11316438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15350400).

11316438 is an abundant number, since it is smaller than the sum of its proper divisors (19384362).

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

11316438 is a wasteful number, since it uses less digits than its factorization.

11316438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 223 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 11316438 is about 3363.9913792993. The cubic root of 11316438 is about 224.5104615968.

Adding to 11316438 its reverse (83461311), we get a palindrome (94777749).

It can be divided in two parts, 1131 and 6438, that added together give a square (7569 = 87²).

The spelling of 11316438 in words is "eleven million, three hundred sixteen thousand, four hundred thirty-eight".