380856147 has 8 divisors (see below), whose sum is σ = 580352256. Its totient is φ = 217632072.

The previous prime is 380856127. The next prime is 380856191. The reversal of 380856147 is 741658083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 380856147 - 2⁷ = 380856019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 380856099 and 380856108.

It is not an unprimeable number, because it can be changed into a prime (380856127) 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 7 ways as a sum of consecutive naturals, for example, 9067983 + ... + 9068024.

It is an arithmetic number, because the mean of its divisors is an integer number (72544032).

Almost surely, 2^380856147 is an apocalyptic number.

380856147 is a deficient number, since it is larger than the sum of its proper divisors (199496109).

380856147 is a wasteful number, since it uses less digits than its factorization.

380856147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18136017.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 380856147 is about 19515.5360418309. The cubic root of 380856147 is about 724.8592018298.

The spelling of 380856147 in words is "three hundred eighty million, eight hundred fifty-six thousand, one hundred forty-seven".