5438345 has 24 divisors (see below), whose sum is σ = 7325640. Its totient is φ = 3872000.

The previous prime is 5438311. The next prime is 5438347.

5438345 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 1024144 + 4414201 = 1012^2 + 2101^2 .

It is not a de Polignac number, because 5438345 - 2²⁰ = 4389769 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5438347) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 53795 + ... + 53895.

It is an arithmetic number, because the mean of its divisors is an integer number (305235).

Almost surely, 2^5438345 is an apocalyptic number.

5438345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5438345 is a deficient number, since it is larger than the sum of its proper divisors (1887295).

5438345 is a wasteful number, since it uses less digits than its factorization.

5438345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 206 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 5438345 is about 2332.0259432519. The cubic root of 5438345 is about 175.8553498982.

It can be divided in two parts, 543 and 8345, that added together give a palindrome (8888).

The spelling of 5438345 in words is "five million, four hundred thirty-eight thousand, three hundred forty-five".