389471211 has 6 divisors (see below), whose sum is σ = 562569540. Its totient is φ = 259647468.

The previous prime is 389471191. The next prime is 389471219. The reversal of 389471211 is 112174983.

It is a happy number.

It is not a de Polignac number, because 389471211 - 2⁹ = 389470699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389471219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21637281 + ... + 21637298.

It is an arithmetic number, because the mean of its divisors is an integer number (93761590).

Almost surely, 2^389471211 is an apocalyptic number.

389471211 is a deficient number, since it is larger than the sum of its proper divisors (173098329).

389471211 is a wasteful number, since it uses less digits than its factorization.

389471211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43274585 (or 43274582 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 389471211 is about 19735.0249809824. The cubic root of 389471211 is about 730.2840022129.

The spelling of 389471211 in words is "three hundred eighty-nine million, four hundred seventy-one thousand, two hundred eleven".