438968472 has 64 divisors (see below), whose sum is σ = 1122115680. Its totient is φ = 143050752.

The previous prime is 438968471. The next prime is 438968473. The reversal of 438968472 is 274869834.

It is an interprime number because it is at equal distance from previous prime (438968471) and next prime (438968473).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438968471) 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, 550378 + ... + 551174.

Almost surely, 2^438968472 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 438968472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561057840).

438968472 is an abundant number, since it is smaller than the sum of its proper divisors (683147208).

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

438968472 is a wasteful number, since it uses less digits than its factorization.

438968472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292 (or 1288 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The square root of 438968472 is about 20951.5744515776. The cubic root of 438968472 is about 759.9956555615.

The spelling of 438968472 in words is "four hundred thirty-eight million, nine hundred sixty-eight thousand, four hundred seventy-two".