381677039 has 2 divisors, whose sum is σ = 381677040. Its totient is φ = 381677038.

The previous prime is 381677003. The next prime is 381677063. The reversal of 381677039 is 930776183.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 381677039 - 2²⁴ = 364899823 is a prime.

It is a Sophie Germain 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 (381677839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190838519 + 190838520.

It is an arithmetic number, because the mean of its divisors is an integer number (190838520).

Almost surely, 2^381677039 is an apocalyptic number.

381677039 is a deficient number, since it is larger than the sum of its proper divisors (1).

381677039 is an equidigital number, since it uses as much as digits as its factorization.

381677039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 381677039 is about 19536.5564775372. The cubic root of 381677039 is about 725.3796119011.

The spelling of 381677039 in words is "three hundred eighty-one million, six hundred seventy-seven thousand, thirty-nine".