432378328 has 16 divisors (see below), whose sum is σ = 836861760. Its totient is φ = 209215200.

The previous prime is 432378319. The next prime is 432378347. The reversal of 432378328 is 823873234.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871483 + ... + 871978.

It is an arithmetic number, because the mean of its divisors is an integer number (52303860).

Almost surely, 2^432378328 is an apocalyptic number.

It is an amenable number.

432378328 is a deficient number, since it is larger than the sum of its proper divisors (404483432).

432378328 is a wasteful number, since it uses less digits than its factorization.

432378328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743498 (or 1743494 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 432378328 is about 20793.7088562863. The cubic root of 432378328 is about 756.1732430532.

The spelling of 432378328 in words is "four hundred thirty-two million, three hundred seventy-eight thousand, three hundred twenty-eight".