382897689 has 4 divisors (see below), whose sum is σ = 510530256. Its totient is φ = 255265124.

The previous prime is 382897687. The next prime is 382897699. The reversal of 382897689 is 986798283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 382897689 - 2¹ = 382897687 is a prime.

It is a super-2 number, since 2×382897689² = 293221280483081442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (382897687) 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, 63816279 + ... + 63816284.

It is an arithmetic number, because the mean of its divisors is an integer number (127632564).

Almost surely, 2^382897689 is an apocalyptic number.

It is an amenable number.

382897689 is a deficient number, since it is larger than the sum of its proper divisors (127632567).

382897689 is a wasteful number, since it uses less digits than its factorization.

382897689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127632566.

The product of its digits is 10450944, while the sum is 60.

The square root of 382897689 is about 19567.7716922495. The cubic root of 382897689 is about 726.1520733426.

The spelling of 382897689 in words is "three hundred eighty-two million, eight hundred ninety-seven thousand, six hundred eighty-nine".