438654216 has 384 divisors, whose sum is σ = 1601510400. Its totient is φ = 96422400.

The previous prime is 438654133. The next prime is 438654241. The reversal of 438654216 is 612456834.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14150121 + ... + 14150151.

It is an arithmetic number, because the mean of its divisors is an integer number (4170600).

Almost surely, 2^438654216 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 438654216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800755200).

438654216 is an abundant number, since it is smaller than the sum of its proper divisors (1162856184).

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

438654216 is a wasteful number, since it uses less digits than its factorization.

438654216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 86 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 438654216 is about 20944.0735292827. The cubic root of 438654216 is about 759.8142528519.

The spelling of 438654216 in words is "four hundred thirty-eight million, six hundred fifty-four thousand, two hundred sixteen".