438374 has 4 divisors (see below), whose sum is σ = 657564. Its totient is φ = 219186.

The previous prime is 438341. The next prime is 438377. The reversal of 438374 is 473834.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 473834 = 2 ⋅236917.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438377) by changing a digit.

438374 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109592 + ... + 109595.

It is an arithmetic number, because the mean of its divisors is an integer number (164391).

2⁴³⁸³⁷⁴ is an apocalyptic number.

438374 is a deficient number, since it is larger than the sum of its proper divisors (219190).

438374 is a wasteful number, since it uses less digits than its factorization.

438374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219189.

The product of its digits is 8064, while the sum is 29.

The square root of 438374 is about 662.0981800307. The cubic root of 438374 is about 75.9652426478.

The spelling of 438374 in words is "four hundred thirty-eight thousand, three hundred seventy-four".