438967 has 2 divisors, whose sum is σ = 438968. Its totient is φ = 438966.

The previous prime is 438961. The next prime is 438979. The reversal of 438967 is 769834.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-438967 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4⁹ + 3¹⁰ + 9² + 8 + 6² + 7⁶ .

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

438967 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (438961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219483 + 219484.

It is an arithmetic number, because the mean of its divisors is an integer number (219484).

438967 is a Friedman number, since it can be written as (78-6+4)^3-9, using all its digits and the basic arithmetic operations.

2⁴³⁸⁹⁶⁷ is an apocalyptic number.

438967 is a deficient number, since it is larger than the sum of its proper divisors (1).

438967 is an equidigital number, since it uses as much as digits as its factorization.

438967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 438967 is about 662.5458474702. The cubic root of 438967 is about 75.9994806059. Note that the first 3 decimals are identical.

The spelling of 438967 in words is "four hundred thirty-eight thousand, nine hundred sixty-seven".