11445438 has 8 divisors (see below), whose sum is σ = 22890888. Its totient is φ = 3815144.

The previous prime is 11445419. The next prime is 11445443. The reversal of 11445438 is 83454411.

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

11445438 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953781 + ... + 953792.

It is an arithmetic number, because the mean of its divisors is an integer number (2861361).

Almost surely, 2^11445438 is an apocalyptic number.

11445438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11445438 is a wasteful number, since it uses less digits than its factorization.

11445438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907578.

The product of its digits is 7680, while the sum is 30.

The square root of 11445438 is about 3383.1106987505. The cubic root of 11445438 is about 225.3603312734.

Adding to 11445438 its reverse (83454411), we get a palindrome (94899849).

The spelling of 11445438 in words is "eleven million, four hundred forty-five thousand, four hundred thirty-eight".