438376632 has 16 divisors (see below), whose sum is σ = 1095941640. Its totient is φ = 146125536.

The previous prime is 438376613. The next prime is 438376639. The reversal of 438376632 is 236673834.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438376639) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9132823 + ... + 9132870.

Almost surely, 2^438376632 is an apocalyptic number.

It is an amenable number.

438376632 is an abundant number, since it is smaller than the sum of its proper divisors (657565008).

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

438376632 is a wasteful number, since it uses less digits than its factorization.

438376632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18265702 (or 18265698 counting only the distinct ones).

The product of its digits is 435456, while the sum is 42.

The square root of 438376632 is about 20937.4456894818. The cubic root of 438376632 is about 759.6539467942.

The spelling of 438376632 in words is "four hundred thirty-eight million, three hundred seventy-six thousand, six hundred thirty-two".