382840765 has 8 divisors (see below), whose sum is σ = 486433080. Its totient is φ = 288256512.

The previous prime is 382840763. The next prime is 382840771. The reversal of 382840765 is 567048283.

It can be written as a sum of positive squares in 4 ways, for example, as 11546404 + 371294361 = 3398^2 + 19269^2 .

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 382840765 - 2¹ = 382840763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382840763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2251920 + ... + 2252089.

It is an arithmetic number, because the mean of its divisors is an integer number (60804135).

Almost surely, 2^382840765 is an apocalyptic number.

It is an amenable number.

382840765 is a deficient number, since it is larger than the sum of its proper divisors (103592315).

382840765 is a wasteful number, since it uses less digits than its factorization.

382840765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4504031.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 382840765 is about 19566.3171036350. The cubic root of 382840765 is about 726.1160867676.

The spelling of 382840765 in words is "three hundred eighty-two million, eight hundred forty thousand, seven hundred sixty-five".