382072169 has 4 divisors (see below), whose sum is σ = 382354260. Its totient is φ = 381790080.

The previous prime is 382072151. The next prime is 382072181. The reversal of 382072169 is 961270283.

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 43033600 + 339038569 = 6560^2 + 18413^2 .

It is a cyclic number.

It is not a de Polignac number, because 382072169 - 2¹² = 382068073 is a prime.

It is a super-2 number, since 2×382072169² = 291958284648729122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (382072139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139004 + ... + 141725.

It is an arithmetic number, because the mean of its divisors is an integer number (95588565).

Almost surely, 2^382072169 is an apocalyptic number.

It is an amenable number.

382072169 is a deficient number, since it is larger than the sum of its proper divisors (282091).

382072169 is a wasteful number, since it uses less digits than its factorization.

382072169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282090.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 382072169 is about 19546.6664421328. Note that the first 3 decimals coincide. The cubic root of 382072169 is about 725.6298412541.

The spelling of 382072169 in words is "three hundred eighty-two million, seventy-two thousand, one hundred sixty-nine".