438726016 has 16 divisors (see below), whose sum is σ = 874024740. Its totient is φ = 219362944.

The previous prime is 438726011. The next prime is 438726019. The reversal of 438726016 is 610627834.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×438726016³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438726011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713646 + ... + 1713901.

Almost surely, 2^438726016 is an apocalyptic number.

It is an amenable number.

438726016 is a deficient number, since it is larger than the sum of its proper divisors (435298724).

438726016 is an equidigital number, since it uses as much as digits as its factorization.

438726016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427561 (or 3427549 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 438726016 is about 20945.7875478579. The cubic root of 438726016 is about 759.8557066783.

It can be divided in two parts, 4387 and 26016, that added together give a palindrome (30403).

The spelling of 438726016 in words is "four hundred thirty-eight million, seven hundred twenty-six thousand, sixteen".