438543896 has 16 divisors (see below), whose sum is σ = 939737040. Its totient is φ = 187947360.

The previous prime is 438543893. The next prime is 438543953. The reversal of 438543896 is 698345834.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438543893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3915515 + ... + 3915626.

It is an arithmetic number, because the mean of its divisors is an integer number (58733565).

Almost surely, 2^438543896 is an apocalyptic number.

It is an amenable number.

438543896 is an abundant number, since it is smaller than the sum of its proper divisors (501193144).

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

438543896 is a wasteful number, since it uses less digits than its factorization.

438543896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7831154 (or 7831150 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 50.

The square root of 438543896 is about 20941.4396830781. The cubic root of 438543896 is about 759.7505506363.

The spelling of 438543896 in words is "four hundred thirty-eight million, five hundred forty-three thousand, eight hundred ninety-six".