396432143 has 2 divisors, whose sum is σ = 396432144. Its totient is φ = 396432142.

The previous prime is 396432139. The next prime is 396432149. The reversal of 396432143 is 341234693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 396432143 - 2² = 396432139 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396432149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198216071 + 198216072.

It is an arithmetic number, because the mean of its divisors is an integer number (198216072).

Almost surely, 2^396432143 is an apocalyptic number.

396432143 is a deficient number, since it is larger than the sum of its proper divisors (1).

396432143 is an equidigital number, since it uses as much as digits as its factorization.

396432143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 35.

The square root of 396432143 is about 19910.6037829092. The cubic root of 396432143 is about 734.6090709609.

The spelling of 396432143 in words is "three hundred ninety-six million, four hundred thirty-two thousand, one hundred forty-three".