438105 has 8 divisors (see below), whose sum is σ = 700992. Its totient is φ = 233648.

The previous prime is 438091. The next prime is 438131. The reversal of 438105 is 501834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 438105 - 2⁷ = 437977 is a prime.

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

438105 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14589 + ... + 14618.

It is an arithmetic number, because the mean of its divisors is an integer number (87624).

2⁴³⁸¹⁰⁵ is an apocalyptic number.

It is an amenable number.

438105 is a deficient number, since it is larger than the sum of its proper divisors (262887).

438105 is a wasteful number, since it uses less digits than its factorization.

438105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29215.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 438105 is about 661.8950067798. The cubic root of 438105 is about 75.9497012520.

Adding to 438105 its reverse (501834), we get a palindrome (939939).

The spelling of 438105 in words is "four hundred thirty-eight thousand, one hundred five".