382989887 has 16 divisors (see below), whose sum is σ = 448284672. Its totient is φ = 320380800.

The previous prime is 382989877. The next prime is 382989899. The reversal of 382989887 is 788989283.

It is a cyclic number.

It is not a de Polignac number, because 382989887 - 2¹⁶ = 382924351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382989847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130478 + ... + 133380.

It is an arithmetic number, because the mean of its divisors is an integer number (28017792).

Almost surely, 2^382989887 is an apocalyptic number.

382989887 is a deficient number, since it is larger than the sum of its proper divisors (65294785).

382989887 is a wasteful number, since it uses less digits than its factorization.

382989887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358.

The product of its digits is 13934592, while the sum is 62.

The square root of 382989887 is about 19570.1274139950. The cubic root of 382989887 is about 726.2103520925.

The spelling of 382989887 in words is "three hundred eighty-two million, nine hundred eighty-nine thousand, eight hundred eighty-seven".