432326538 has 64 divisors (see below), whose sum is σ = 1145733120. Its totient is φ = 118148976.

The previous prime is 432326533. The next prime is 432326549. The reversal of 432326538 is 835623234.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (432326533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16170 + ... + 33557.

It is an arithmetic number, because the mean of its divisors is an integer number (17902080).

Almost surely, 2^432326538 is an apocalyptic number.

432326538 is an abundant number, since it is smaller than the sum of its proper divisors (713406582).

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

432326538 is a wasteful number, since it uses less digits than its factorization.

432326538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49768 (or 49762 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 432326538 is about 20792.4634904092. The cubic root of 432326538 is about 756.1430505316.

It can be divided in two parts, 43232 and 6538, that added together give a triangular number (49770 = T₃₁₅).

The spelling of 432326538 in words is "four hundred thirty-two million, three hundred twenty-six thousand, five hundred thirty-eight".