382161867 has 4 divisors (see below), whose sum is σ = 509549160. Its totient is φ = 254774576.

The previous prime is 382161851. The next prime is 382161883. The reversal of 382161867 is 768161283.

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

It is an interprime number because it is at equal distance from previous prime (382161851) and next prime (382161883).

It is a cyclic number.

It is not a de Polignac number, because 382161867 - 2⁴ = 382161851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (382166867) 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 in 3 ways as a sum of consecutive naturals, for example, 63693642 + ... + 63693647.

It is an arithmetic number, because the mean of its divisors is an integer number (127387290).

Almost surely, 2^382161867 is an apocalyptic number.

382161867 is a deficient number, since it is larger than the sum of its proper divisors (127387293).

382161867 is a wasteful number, since it uses less digits than its factorization.

382161867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127387292.

The product of its digits is 96768, while the sum is 42.

The square root of 382161867 is about 19548.9607652172. The cubic root of 382161867 is about 725.6866214979.

The spelling of 382161867 in words is "three hundred eighty-two million, one hundred sixty-one thousand, eight hundred sixty-seven".