382372009 has 4 divisors (see below), whose sum is σ = 382693716. Its totient is φ = 382050304.

The previous prime is 382371971. The next prime is 382372019. The reversal of 382372009 is 900273283.

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 141253225 + 241118784 = 11885^2 + 15528^2 .

It is a cyclic number.

It is not a de Polignac number, because 382372009 - 2²¹ = 380274857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (382372019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159064 + ... + 161449.

It is an arithmetic number, because the mean of its divisors is an integer number (95673429).

Almost surely, 2^382372009 is an apocalyptic number.

It is an amenable number.

382372009 is a deficient number, since it is larger than the sum of its proper divisors (321707).

382372009 is a wasteful number, since it uses less digits than its factorization.

382372009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321706.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 382372009 is about 19554.3347879696. The cubic root of 382372009 is about 725.8196099060.

The spelling of 382372009 in words is "three hundred eighty-two million, three hundred seventy-two thousand, nine".