432239971 has 2 divisors, whose sum is σ = 432239972. Its totient is φ = 432239970.

The previous prime is 432239953. The next prime is 432240001. The reversal of 432239971 is 179932234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 432239971 - 2⁵ = 432239939 is a prime.

It is not a weakly prime, because it can be changed into another prime (432239371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216119985 + 216119986.

It is an arithmetic number, because the mean of its divisors is an integer number (216119986).

Almost surely, 2^432239971 is an apocalyptic number.

432239971 is a deficient number, since it is larger than the sum of its proper divisors (1).

432239971 is an equidigital number, since it uses as much as digits as its factorization.

432239971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 432239971 is about 20790.3816944278. The cubic root of 432239971 is about 756.0925783390.

The spelling of 432239971 in words is "four hundred thirty-two million, two hundred thirty-nine thousand, nine hundred seventy-one".