432624397 has 2 divisors, whose sum is σ = 432624398. Its totient is φ = 432624396.

The previous prime is 432624389. The next prime is 432624443. The reversal of 432624397 is 793426234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277522281 + 155102116 = 16659^2 + 12454^2 .

It is a cyclic number.

It is not a de Polignac number, because 432624397 - 2³ = 432624389 is a prime.

It is a super-2 number, since 2×432624397² = 374327737759227218, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432624317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216312198 + 216312199.

It is an arithmetic number, because the mean of its divisors is an integer number (216312199).

Almost surely, 2^432624397 is an apocalyptic number.

It is an amenable number.

432624397 is a deficient number, since it is larger than the sum of its proper divisors (1).

432624397 is an equidigital number, since it uses as much as digits as its factorization.

432624397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 40.

The square root of 432624397 is about 20799.6249245028. The cubic root of 432624397 is about 756.3166633674.

The spelling of 432624397 in words is "four hundred thirty-two million, six hundred twenty-four thousand, three hundred ninety-seven".