11738438 has 16 divisors (see below), whose sum is σ = 18123264. Its totient is φ = 5699400.

The previous prime is 11738431. The next prime is 11738471. The reversal of 11738438 is 83483711.

11738438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11738398 and 11738407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11738431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13781 + ... + 14607.

It is an arithmetic number, because the mean of its divisors is an integer number (1132704).

Almost surely, 2^11738438 is an apocalyptic number.

11738438 is a deficient number, since it is larger than the sum of its proper divisors (6384826).

11738438 is a wasteful number, since it uses less digits than its factorization.

11738438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027.

The product of its digits is 16128, while the sum is 35.

The square root of 11738438 is about 3426.1403940878. The cubic root of 11738438 is about 227.2672046076.

The spelling of 11738438 in words is "eleven million, seven hundred thirty-eight thousand, four hundred thirty-eight".