389471 has 4 divisors (see below), whose sum is σ = 395352. Its totient is φ = 383592.

The previous prime is 389461. The next prime is 389479. The reversal of 389471 is 174983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174983 = 233 ⋅751.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389471 is a prime.

It is a super-3 number, since 3×389471³ = 177233833697802333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2840 + ... + 2973.

It is an arithmetic number, because the mean of its divisors is an integer number (98838).

2³⁸⁹⁴⁷¹ is an apocalyptic number.

389471 is a deficient number, since it is larger than the sum of its proper divisors (5881).

389471 is an equidigital number, since it uses as much as digits as its factorization.

389471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5880.

The product of its digits is 6048, while the sum is 32.

The square root of 389471 is about 624.0761171524. The cubic root of 389471 is about 73.0283870333.

The spelling of 389471 in words is "three hundred eighty-nine thousand, four hundred seventy-one".