387671289 has 16 divisors (see below), whose sum is σ = 525441024. Its totient is φ = 254192400.

The previous prime is 387671261. The next prime is 387671293. The reversal of 387671289 is 982176783.

It is not a de Polignac number, because 387671289 - 2¹⁶ = 387605753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (387671489) 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 15 ways as a sum of consecutive naturals, for example, 96654 + ... + 100584.

It is an arithmetic number, because the mean of its divisors is an integer number (32840064).

Almost surely, 2^387671289 is an apocalyptic number.

It is an amenable number.

387671289 is a deficient number, since it is larger than the sum of its proper divisors (137769735).

387671289 is a wasteful number, since it uses less digits than its factorization.

387671289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468.

The product of its digits is 1016064, while the sum is 51.

The square root of 387671289 is about 19689.3699492899. The cubic root of 387671289 is about 729.1572742162.

The spelling of 387671289 in words is "three hundred eighty-seven million, six hundred seventy-one thousand, two hundred eighty-nine".