438859005 has 16 divisors (see below), whose sum is σ = 756188160. Its totient is φ = 216053568.

The previous prime is 438858997. The next prime is 438859007. The reversal of 438859005 is 500958834.

It is not a de Polignac number, because 438859005 - 2³ = 438858997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438859007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125085 + ... + 1125474.

It is an arithmetic number, because the mean of its divisors is an integer number (47261760).

Almost surely, 2^438859005 is an apocalyptic number.

It is an amenable number.

438859005 is a deficient number, since it is larger than the sum of its proper divisors (317329155).

438859005 is a wasteful number, since it uses less digits than its factorization.

438859005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250580.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 438859005 is about 20948.9619074550. The cubic root of 438859005 is about 759.9324761107.

The spelling of 438859005 in words is "four hundred thirty-eight million, eight hundred fifty-nine thousand, five".