381086367 has 4 divisors (see below), whose sum is σ = 508115160. Its totient is φ = 254057576.

The previous prime is 381086327. The next prime is 381086371. The reversal of 381086367 is 763680183.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 381086367 - 2⁷ = 381086239 is a prime.

It is a super-2 number, since 2×381086367² = 290453638226517378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381086327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63514392 + ... + 63514397.

It is an arithmetic number, because the mean of its divisors is an integer number (127028790).

Almost surely, 2^381086367 is an apocalyptic number.

381086367 is a deficient number, since it is larger than the sum of its proper divisors (127028793).

381086367 is a wasteful number, since it uses less digits than its factorization.

381086367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127028792.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 381086367 is about 19521.4335283042. The cubic root of 381086367 is about 725.0052267558.

The spelling of 381086367 in words is "three hundred eighty-one million, eighty-six thousand, three hundred sixty-seven".