438474672 has 60 divisors (see below), whose sum is σ = 1233973104. Its totient is φ = 145342080.

The previous prime is 438474643. The next prime is 438474683. The reversal of 438474672 is 276474834.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17653 + ... + 34475.

Almost surely, 2^438474672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 438474672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616986552).

438474672 is an abundant number, since it is smaller than the sum of its proper divisors (795498432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

438474672 is a wasteful number, since it uses less digits than its factorization.

438474672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17018 (or 17009 counting only the distinct ones).

The product of its digits is 903168, while the sum is 45.

The square root of 438474672 is about 20939.7868183991. The cubic root of 438474672 is about 759.7105730802.

The spelling of 438474672 in words is "four hundred thirty-eight million, four hundred seventy-four thousand, six hundred seventy-two".