380945805 has 8 divisors (see below), whose sum is σ = 609513312. Its totient is φ = 203171088.

The previous prime is 380945797. The next prime is 380945837. The reversal of 380945805 is 508549083.

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

It is not a de Polignac number, because 380945805 - 2³ = 380945797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12698179 + ... + 12698208.

It is an arithmetic number, because the mean of its divisors is an integer number (76189164).

Almost surely, 2^380945805 is an apocalyptic number.

It is an amenable number.

380945805 is a deficient number, since it is larger than the sum of its proper divisors (228567507).

380945805 is a wasteful number, since it uses less digits than its factorization.

380945805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25396395.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 380945805 is about 19517.8329995930. The cubic root of 380945805 is about 724.9160774837.

The spelling of 380945805 in words is "three hundred eighty million, nine hundred forty-five thousand, eight hundred five".