432913217 has 4 divisors (see below), whose sum is σ = 472268976. Its totient is φ = 393557460.

The previous prime is 432913183. The next prime is 432913241. The reversal of 432913217 is 712319234.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 432913217 - 2¹⁸ = 432651073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432913717) 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, 19677863 + ... + 19677884.

It is an arithmetic number, because the mean of its divisors is an integer number (118067244).

Almost surely, 2^432913217 is an apocalyptic number.

It is an amenable number.

432913217 is a deficient number, since it is larger than the sum of its proper divisors (39355759).

432913217 is a wasteful number, since it uses less digits than its factorization.

432913217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39355758.

The product of its digits is 9072, while the sum is 32.

The square root of 432913217 is about 20806.5666797768. The cubic root of 432913217 is about 756.4849315681.

The spelling of 432913217 in words is "four hundred thirty-two million, nine hundred thirteen thousand, two hundred seventeen".