428104171 has 16 divisors (see below), whose sum is σ = 483664608. Its totient is φ = 378623520.

The previous prime is 428104169. The next prime is 428104189. The reversal of 428104171 is 171401824.

It is not a de Polignac number, because 428104171 - 2¹ = 428104169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428194171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44901 + ... + 53593.

It is an arithmetic number, because the mean of its divisors is an integer number (30229038).

Almost surely, 2^428104171 is an apocalyptic number.

428104171 is a deficient number, since it is larger than the sum of its proper divisors (55560437).

428104171 is an equidigital number, since it uses as much as digits as its factorization.

428104171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8763 (or 8741 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 428104171 is about 20690.6783600732. The cubic root of 428104171 is about 753.6733399847.

Adding to 428104171 its reverse (171401824), we get a palindrome (599505995).

It can be divided in two parts, 428104 and 171, that added together give a triangular number (428275 = T₉₂₅).

The spelling of 428104171 in words is "four hundred twenty-eight million, one hundred four thousand, one hundred seventy-one".