380610665 has 8 divisors (see below), whose sum is σ = 457115400. Its totient is φ = 304233472.

The previous prime is 380610631. The next prime is 380610677. The reversal of 380610665 is 566016083.

380610665 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 122301481 + 258309184 = 11059^2 + 16072^2 .

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 380610665 - 2⁸ = 380610409 is a prime.

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, 25190 + ... + 37359.

It is an arithmetic number, because the mean of its divisors is an integer number (57139425).

Almost surely, 2^380610665 is an apocalyptic number.

It is an amenable number.

380610665 is a deficient number, since it is larger than the sum of its proper divisors (76504735).

380610665 is a wasteful number, since it uses less digits than its factorization.

380610665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63771.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 380610665 is about 19509.2456286757. The cubic root of 380610665 is about 724.7034316155.

The spelling of 380610665 in words is "three hundred eighty million, six hundred ten thousand, six hundred sixty-five".