7738338 has 16 divisors (see below), whose sum is σ = 15731136. Its totient is φ = 2537040.

The previous prime is 7738337. The next prime is 7738343. The reversal of 7738338 is 8338377.

7738338 is digitally balanced in base 4, 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 = 7738296 and 7738305.

It is not an unprimeable number, because it can be changed into a prime (7738337) 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, 10206 + ... + 10937.

It is an arithmetic number, because the mean of its divisors is an integer number (983196).

Almost surely, 2^7738338 is an apocalyptic number.

7738338 is an abundant number, since it is smaller than the sum of its proper divisors (7992798).

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

7738338 is a wasteful number, since it uses less digits than its factorization.

7738338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21209.

The product of its digits is 84672, while the sum is 39.

The square root of 7738338 is about 2781.7868358305. The cubic root of 7738338 is about 197.7952684340.

Adding to 7738338 its sum of digits (39), we get a palindrome (7738377).

It can be divided in two parts, 77383 and 38, that added together give a triangular number (77421 = T₃₉₃).

The spelling of 7738338 in words is "seven million, seven hundred thirty-eight thousand, three hundred thirty-eight".