438068 has 6 divisors (see below), whose sum is σ = 766626. Its totient is φ = 219032.

The previous prime is 438049. The next prime is 438091. The reversal of 438068 is 860834.

It can be written as a sum of positive squares in only one way, i.e., 268324 + 169744 = 518^2 + 412^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 438068.

It is a congruent number.

It is an unprimeable number.

438068 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54755 + ... + 54762.

It is an arithmetic number, because the mean of its divisors is an integer number (127771).

2⁴³⁸⁰⁶⁸ is an apocalyptic number.

It is an amenable number.

438068 is a deficient number, since it is larger than the sum of its proper divisors (328558).

438068 is a wasteful number, since it uses less digits than its factorization.

438068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109521 (or 109519 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 438068 is about 661.8670561374. The cubic root of 438068 is about 75.9475630903.

The spelling of 438068 in words is "four hundred thirty-eight thousand, sixty-eight".