380866673 has 4 divisors (see below), whose sum is σ = 415490928. Its totient is φ = 346242420.

The previous prime is 380866667. The next prime is 380866699. The reversal of 380866673 is 376668083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380866673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380866273) 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, 17312111 + ... + 17312132.

It is an arithmetic number, because the mean of its divisors is an integer number (103872732).

Almost surely, 2^380866673 is an apocalyptic number.

It is an amenable number.

380866673 is a deficient number, since it is larger than the sum of its proper divisors (34624255).

380866673 is a wasteful number, since it uses less digits than its factorization.

380866673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34624254.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 380866673 is about 19515.8057225419. The cubic root of 380866673 is about 724.8658795896.

The spelling of 380866673 in words is "three hundred eighty million, eight hundred sixty-six thousand, six hundred seventy-three".