389680471 has 8 divisors (see below), whose sum is σ = 393101280. Its totient is φ = 386268288.

The previous prime is 389680457. The next prime is 389680493. The reversal of 389680471 is 174086983.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 389680471 - 2²³ = 381291863 is a prime.

It is a super-3 number, since 3×389680471³ (a number of 27 digits) 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 (389680451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115750 + ... + 119068.

It is an arithmetic number, because the mean of its divisors is an integer number (49137660).

Almost surely, 2^389680471 is an apocalyptic number.

389680471 is a deficient number, since it is larger than the sum of its proper divisors (3420809).

389680471 is a wasteful number, since it uses less digits than its factorization.

389680471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 389680471 is about 19740.3260104792. The cubic root of 389680471 is about 730.4147708590.

The spelling of 389680471 in words is "three hundred eighty-nine million, six hundred eighty thousand, four hundred seventy-one".