438038 has 4 divisors (see below), whose sum is σ = 657060. Its totient is φ = 219018.

The previous prime is 438029. The next prime is 438047. The reversal of 438038 is 830834.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (438029) and next prime (438047).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 437998 and 438016.

It is a congruent number.

It is an unprimeable number.

438038 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, 109508 + ... + 109511.

It is an arithmetic number, because the mean of its divisors is an integer number (164265).

2⁴³⁸⁰³⁸ is an apocalyptic number.

438038 is a deficient number, since it is larger than the sum of its proper divisors (219022).

438038 is a wasteful number, since it uses less digits than its factorization.

438038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219021.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 438038 is about 661.8443925879. The cubic root of 438038 is about 75.9458293572.

The spelling of 438038 in words is "four hundred thirty-eight thousand, thirty-eight".