167438 has 4 divisors (see below), whose sum is σ = 251160. Its totient is φ = 83718.

The previous prime is 167437. The next prime is 167441. The reversal of 167438 is 834761.

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

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 167438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41858 + ... + 41861.

It is an arithmetic number, because the mean of its divisors is an integer number (62790).

2¹⁶⁷⁴³⁸ is an apocalyptic number.

167438 is a deficient number, since it is larger than the sum of its proper divisors (83722).

167438 is an equidigital number, since it uses as much as digits as its factorization.

167438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83721.

The product of its digits is 4032, while the sum is 29.

The square root of 167438 is about 409.1918865276. The cubic root of 167438 is about 55.1168864024.

The spelling of 167438 in words is "one hundred sixty-seven thousand, four hundred thirty-eight".