389424671 has 8 divisors (see below), whose sum is σ = 396340704. Its totient is φ = 382525920.

The previous prime is 389424653. The next prime is 389424689. The reversal of 389424671 is 176424983.

It is an interprime number because it is at equal distance from previous prime (389424653) and next prime (389424689).

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 389424671 - 2²² = 385230367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389424611) 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, 46325 + ... + 54081.

It is an arithmetic number, because the mean of its divisors is an integer number (49542588).

Almost surely, 2^389424671 is an apocalyptic number.

389424671 is a deficient number, since it is larger than the sum of its proper divisors (6916033).

389424671 is an equidigital number, since it uses as much as digits as its factorization.

389424671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641.

The product of its digits is 290304, while the sum is 44.

The square root of 389424671 is about 19733.8458238631. The cubic root of 389424671 is about 730.2549125392.

The spelling of 389424671 in words is "three hundred eighty-nine million, four hundred twenty-four thousand, six hundred seventy-one".