381427627 has 12 divisors (see below), whose sum is σ = 450440688. Its totient is φ = 316386000.

The previous prime is 381427619. The next prime is 381427663. The reversal of 381427627 is 726724183.

It is not a de Polignac number, because 381427627 - 2³ = 381427619 is a prime.

It is a super-2 number, since 2×381427627² = 290974069277702258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 381427627.

It is not an unprimeable number, because it can be changed into a prime (381427127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21624 + ... + 35077.

It is an arithmetic number, because the mean of its divisors is an integer number (37536724).

Almost surely, 2^381427627 is an apocalyptic number.

381427627 is a deficient number, since it is larger than the sum of its proper divisors (69013061).

381427627 is an equidigital number, since it uses as much as digits as its factorization.

381427627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56770 (or 56739 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 381427627 is about 19530.1722214629. The cubic root of 381427627 is about 725.2215744476.

The spelling of 381427627 in words is "three hundred eighty-one million, four hundred twenty-seven thousand, six hundred twenty-seven".