381622627 has 2 divisors, whose sum is σ = 381622628. Its totient is φ = 381622626.

The previous prime is 381622597. The next prime is 381622643. The reversal of 381622627 is 726226183.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381622627 is a prime.

It is a super-2 number, since 2×381622627² = 291271658876762258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (381622327) 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, 190811313 + 190811314.

It is an arithmetic number, because the mean of its divisors is an integer number (190811314).

Almost surely, 2^381622627 is an apocalyptic number.

381622627 is a deficient number, since it is larger than the sum of its proper divisors (1).

381622627 is an equidigital number, since it uses as much as digits as its factorization.

381622627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 381622627 is about 19535.1638590517. The cubic root of 381622627 is about 725.3451401469.

The spelling of 381622627 in words is "three hundred eighty-one million, six hundred twenty-two thousand, six hundred twenty-seven".