432432397 has 2 divisors, whose sum is σ = 432432398. Its totient is φ = 432432396.

The previous prime is 432432367. The next prime is 432432401. The reversal of 432432397 is 793234234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384905161 + 47527236 = 19619^2 + 6894^2 .

It is a cyclic number.

It is not a de Polignac number, because 432432397 - 2¹⁵ = 432399629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432432367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216216198 + 216216199.

It is an arithmetic number, because the mean of its divisors is an integer number (216216199).

Almost surely, 2^432432397 is an apocalyptic number.

It is an amenable number.

432432397 is a deficient number, since it is larger than the sum of its proper divisors (1).

432432397 is an equidigital number, since it uses as much as digits as its factorization.

432432397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 37.

The square root of 432432397 is about 20795.0089444559. The cubic root of 432432397 is about 756.2047616133.

The spelling of 432432397 in words is "four hundred thirty-two million, four hundred thirty-two thousand, three hundred ninety-seven".