432942689 has 4 divisors (see below), whose sum is σ = 458409924. Its totient is φ = 407475456.

The previous prime is 432942667. The next prime is 432942703. The reversal of 432942689 is 986249234.

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

It can be written as a sum of positive squares in 2 ways, for example, as 400680289 + 32262400 = 20017^2 + 5680^2 .

It is a cyclic number.

It is not a de Polignac number, because 432942689 - 2¹⁶ = 432877153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432942589) 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, 12733592 + ... + 12733625.

It is an arithmetic number, because the mean of its divisors is an integer number (114602481).

Almost surely, 2^432942689 is an apocalyptic number.

It is an amenable number.

432942689 is a deficient number, since it is larger than the sum of its proper divisors (25467235).

432942689 is a wasteful number, since it uses less digits than its factorization.

432942689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25467234.

The product of its digits is 746496, while the sum is 47.

The square root of 432942689 is about 20807.2749056670. The cubic root of 432942689 is about 756.5020979171.

The spelling of 432942689 in words is "four hundred thirty-two million, nine hundred forty-two thousand, six hundred eighty-nine".