382117489 has 4 divisors (see below), whose sum is σ = 411511156. Its totient is φ = 352723824.

The previous prime is 382117487. The next prime is 382117507. The reversal of 382117489 is 984711283.

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 66699889 + 315417600 = 8167^2 + 17760^2 .

It is a cyclic number.

It is not a de Polignac number, because 382117489 - 2¹ = 382117487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (382117487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14696814 + ... + 14696839.

It is an arithmetic number, because the mean of its divisors is an integer number (102877789).

Almost surely, 2^382117489 is an apocalyptic number.

It is an amenable number.

382117489 is a deficient number, since it is larger than the sum of its proper divisors (29393667).

382117489 is a wasteful number, since it uses less digits than its factorization.

382117489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29393666.

The product of its digits is 96768, while the sum is 43.

The square root of 382117489 is about 19547.8256847149. The cubic root of 382117489 is about 725.6585306370.

The spelling of 382117489 in words is "three hundred eighty-two million, one hundred seventeen thousand, four hundred eighty-nine".