428382671 has 8 divisors (see below), whose sum is σ = 434244720. Its totient is φ = 422537472.

The previous prime is 428382653. The next prime is 428382709. The reversal of 428382671 is 176283824.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428382671 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 (428382271) 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, 52025 + ... + 59693.

It is an arithmetic number, because the mean of its divisors is an integer number (54280590).

Almost surely, 2^428382671 is an apocalyptic number.

428382671 is a deficient number, since it is larger than the sum of its proper divisors (5862049).

428382671 is an equidigital number, since it uses as much as digits as its factorization.

428382671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8425.

The product of its digits is 129024, while the sum is 41.

The square root of 428382671 is about 20697.4073497141. The cubic root of 428382671 is about 753.8367367620.

The spelling of 428382671 in words is "four hundred twenty-eight million, three hundred eighty-two thousand, six hundred seventy-one".