380563805 has 8 divisors (see below), whose sum is σ = 456808632. Its totient is φ = 304363008.

The previous prime is 380563783. The next prime is 380563849. The reversal of 380563805 is 508365083.

It can be written as a sum of positive squares in 4 ways, for example, as 122832889 + 257730916 = 11083^2 + 16054^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 380563805 - 2⁶ = 380563741 is a prime.

It is a Duffinian number.

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, 12629 + ... + 30341.

It is an arithmetic number, because the mean of its divisors is an integer number (57101079).

Almost surely, 2^380563805 is an apocalyptic number.

It is an amenable number.

380563805 is a deficient number, since it is larger than the sum of its proper divisors (76244827).

380563805 is a wasteful number, since it uses less digits than its factorization.

380563805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22015.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 380563805 is about 19508.0446226678. The cubic root of 380563805 is about 724.6736890643.

The spelling of 380563805 in words is "three hundred eighty million, five hundred sixty-three thousand, eight hundred five".