381242627 has 4 divisors (see below), whose sum is σ = 381338496. Its totient is φ = 381146760.

The previous prime is 381242597. The next prime is 381242633. The reversal of 381242627 is 726242183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 726242183 = 7207 ⋅100769.

It is a cyclic number.

It is not a de Polignac number, because 381242627 - 2¹⁰ = 381241603 is a prime.

It is a super-2 number, since 2×381242627² = 290691881283722258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381242647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41699 + ... + 50012.

It is an arithmetic number, because the mean of its divisors is an integer number (95334624).

Almost surely, 2^381242627 is an apocalyptic number.

381242627 is a deficient number, since it is larger than the sum of its proper divisors (95869).

381242627 is an equidigital number, since it uses as much as digits as its factorization.

381242627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95868.

The product of its digits is 32256, while the sum is 35.

The square root of 381242627 is about 19525.4353856707. The cubic root of 381242627 is about 725.1043065146.

The spelling of 381242627 in words is "three hundred eighty-one million, two hundred forty-two thousand, six hundred twenty-seven".