438881 has 4 divisors (see below), whose sum is σ = 462000. Its totient is φ = 415764.

The previous prime is 438877. The next prime is 438887. The reversal of 438881 is 188834.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 438881 - 2² = 438877 is a prime.

It is a super-2 number, since 2×438881² = 385233064322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11531 + ... + 11568.

It is an arithmetic number, because the mean of its divisors is an integer number (115500).

2⁴³⁸⁸⁸¹ is an apocalyptic number.

It is an amenable number.

438881 is a deficient number, since it is larger than the sum of its proper divisors (23119).

438881 is a wasteful number, since it uses less digits than its factorization.

438881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23118.

The product of its digits is 6144, while the sum is 32.

The square root of 438881 is about 662.4809431221. The cubic root of 438881 is about 75.9945171483.

Subtracting from 438881 its reverse (188834), we obtain a cube (250047 = 63³).

The spelling of 438881 in words is "four hundred thirty-eight thousand, eight hundred eighty-one".