432020399 has 4 divisors (see below), whose sum is σ = 443696664. Its totient is φ = 420344136.

The previous prime is 432020327. The next prime is 432020401. The reversal of 432020399 is 993020234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 432020399 - 2²⁰ = 430971823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432020999) 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, 5838077 + ... + 5838150.

It is an arithmetic number, because the mean of its divisors is an integer number (110924166).

Almost surely, 2^432020399 is an apocalyptic number.

432020399 is a deficient number, since it is larger than the sum of its proper divisors (11676265).

432020399 is a wasteful number, since it uses less digits than its factorization.

432020399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11676264.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 432020399 is about 20785.1004087062. The cubic root of 432020399 is about 755.9645284207.

The spelling of 432020399 in words is "four hundred thirty-two million, twenty thousand, three hundred ninety-nine".