438860000 has 60 divisors (see below), whose sum is σ = 1079710632. Its totient is φ = 175536000.

The previous prime is 438859937. The next prime is 438860003. The reversal of 438860000 is 68834.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438860003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9029 + ... + 30971.

Almost surely, 2^438860000 is an apocalyptic number.

438860000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 438860000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539855316).

438860000 is an abundant number, since it is smaller than the sum of its proper divisors (640850632).

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

438860000 is an equidigital number, since it uses as much as digits as its factorization.

438860000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21973 (or 21950 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 438860000 is about 20948.9856556350. The cubic root of 438860000 is about 759.9330504275.

The spelling of 438860000 in words is "four hundred thirty-eight million, eight hundred sixty thousand".