382143407 has 2 divisors, whose sum is σ = 382143408. Its totient is φ = 382143406.

The previous prime is 382143403. The next prime is 382143449. The reversal of 382143407 is 704341283.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 382143407 - 2² = 382143403 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (382143403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191071703 + 191071704.

It is an arithmetic number, because the mean of its divisors is an integer number (191071704).

Almost surely, 2^382143407 is an apocalyptic number.

382143407 is a deficient number, since it is larger than the sum of its proper divisors (1).

382143407 is an equidigital number, since it uses as much as digits as its factorization.

382143407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 382143407 is about 19548.4886116549. The cubic root of 382143407 is about 725.6749367539.

The spelling of 382143407 in words is "three hundred eighty-two million, one hundred forty-three thousand, four hundred seven".