438230898 has 80 divisors (see below), whose sum is σ = 1126287360. Its totient is φ = 124758144.

The previous prime is 438230869. The next prime is 438230909. The reversal of 438230898 is 898032834.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 433818 + ... + 434826.

It is an arithmetic number, because the mean of its divisors is an integer number (14078592).

Almost surely, 2^438230898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 438230898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563143680).

438230898 is an abundant number, since it is smaller than the sum of its proper divisors (688056462).

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

438230898 is a wasteful number, since it uses less digits than its factorization.

438230898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413 (or 1404 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 438230898 is about 20933.9651762393. The cubic root of 438230898 is about 759.5697576364.

The spelling of 438230898 in words is "four hundred thirty-eight million, two hundred thirty thousand, eight hundred ninety-eight".