428930671 has 8 divisors (see below), whose sum is σ = 463861440. Its totient is φ = 394276512.

The previous prime is 428930659. The next prime is 428930683. The reversal of 428930671 is 176039824.

It is an interprime number because it is at equal distance from previous prime (428930659) and next prime (428930683).

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 428930671 - 2⁵ = 428930639 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 (428930651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65920 + ... + 72133.

It is an arithmetic number, because the mean of its divisors is an integer number (57982680).

Almost surely, 2^428930671 is an apocalyptic number.

428930671 is a deficient number, since it is larger than the sum of its proper divisors (34930769).

428930671 is a wasteful number, since it uses less digits than its factorization.

428930671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138305.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 428930671 is about 20710.6414917549. The cubic root of 428930671 is about 754.1580433365.

The spelling of 428930671 in words is "four hundred twenty-eight million, nine hundred thirty thousand, six hundred seventy-one".