389471941 has 16 divisors (see below), whose sum is σ = 414227968. Its totient is φ = 365601600.

The previous prime is 389471917. The next prime is 389471963. The reversal of 389471941 is 149174983.

It is not a de Polignac number, because 389471941 - 2⁵ = 389471909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 389471891 and 389471900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389471981) 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, 208351 + ... + 210211.

It is an arithmetic number, because the mean of its divisors is an integer number (25889248).

Almost surely, 2^389471941 is an apocalyptic number.

389471941 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

389471941 is a deficient number, since it is larger than the sum of its proper divisors (24756027).

389471941 is a wasteful number, since it uses less digits than its factorization.

389471941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092.

The product of its digits is 217728, while the sum is 46.

The square root of 389471941 is about 19735.0434760099. The cubic root of 389471941 is about 730.2844584785.

The spelling of 389471941 in words is "three hundred eighty-nine million, four hundred seventy-one thousand, nine hundred forty-one".