382739645 has 8 divisors (see below), whose sum is σ = 459430656. Its totient is φ = 306096336.

The previous prime is 382739641. The next prime is 382739653. The reversal of 382739645 is 546937283.

It is a happy number.

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 382739645 - 2² = 382739641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 382739645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382739641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9104 + ... + 29126.

It is an arithmetic number, because the mean of its divisors is an integer number (57428832).

Almost surely, 2^382739645 is an apocalyptic number.

It is an amenable number.

382739645 is a deficient number, since it is larger than the sum of its proper divisors (76691011).

382739645 is a wasteful number, since it uses less digits than its factorization.

382739645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23851.

The product of its digits is 1088640, while the sum is 47.

The square root of 382739645 is about 19563.7329004462. The cubic root of 382739645 is about 726.0521512876.

The spelling of 382739645 in words is "three hundred eighty-two million, seven hundred thirty-nine thousand, six hundred forty-five".