382605985 has 4 divisors (see below), whose sum is σ = 459127188. Its totient is φ = 306084784.

The previous prime is 382605931. The next prime is 382605997. The reversal of 382605985 is 589506283.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 203233536 + 179372449 = 14256^2 + 13393^2 .

It is a cyclic number.

It is not a de Polignac number, because 382605985 - 2¹¹ = 382603937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38260594 + ... + 38260603.

It is an arithmetic number, because the mean of its divisors is an integer number (114781797).

Almost surely, 2^382605985 is an apocalyptic number.

It is an amenable number.

382605985 is a deficient number, since it is larger than the sum of its proper divisors (76521203).

382605985 is an equidigital number, since it uses as much as digits as its factorization.

382605985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76521202.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 382605985 is about 19560.3165874175. The cubic root of 382605985 is about 725.9676243509.

The spelling of 382605985 in words is "three hundred eighty-two million, six hundred five thousand, nine hundred eighty-five".