438367 has 4 divisors (see below), whose sum is σ = 440200. Its totient is φ = 436536.

The previous prime is 438341. The next prime is 438377. The reversal of 438367 is 763834.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 763834 = 2 ⋅381917.

It is a cyclic number.

It is not a de Polignac number, because 438367 - 2¹⁵ = 405599 is a prime.

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

It is a Duffinian number.

438367 is a lucky 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.

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 in 3 ways as a sum of consecutive naturals, for example, 492 + ... + 1057.

It is an arithmetic number, because the mean of its divisors is an integer number (110050).

2⁴³⁸³⁶⁷ is an apocalyptic number.

438367 is a deficient number, since it is larger than the sum of its proper divisors (1833).

438367 is a wasteful number, since it uses less digits than its factorization.

438367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832.

The product of its digits is 12096, while the sum is 31.

The square root of 438367 is about 662.0928937846. The cubic root of 438367 is about 75.9648383055.

The spelling of 438367 in words is "four hundred thirty-eight thousand, three hundred sixty-seven".