389471169 has 4 divisors (see below), whose sum is σ = 519294896. Its totient is φ = 259647444.

The previous prime is 389471161. The next prime is 389471171. The reversal of 389471169 is 961174983.

It is a happy number.

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 not a de Polignac number, because 389471169 - 2³ = 389471161 is a prime.

It is a super-2 number, since 2×389471169² = 303375582964453122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389471161) 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, 64911859 + ... + 64911864.

It is an arithmetic number, because the mean of its divisors is an integer number (129823724).

Almost surely, 2^389471169 is an apocalyptic number.

It is an amenable number.

389471169 is a deficient number, since it is larger than the sum of its proper divisors (129823727).

389471169 is a wasteful number, since it uses less digits than its factorization.

389471169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129823726.

The product of its digits is 326592, while the sum is 48.

The square root of 389471169 is about 19735.0239168844. The cubic root of 389471169 is about 730.2839759619.

The spelling of 389471169 in words is "three hundred eighty-nine million, four hundred seventy-one thousand, one hundred sixty-nine".