428611171 has 8 divisors (see below), whose sum is σ = 442422288. Its totient is φ = 414960000.

The previous prime is 428611163. The next prime is 428611207. The reversal of 428611171 is 171116824.

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 428611171 - 2³ = 428611163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428611111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34530 + ... + 45271.

It is an arithmetic number, because the mean of its divisors is an integer number (55302786).

Almost surely, 2^428611171 is an apocalyptic number.

428611171 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

428611171 is a deficient number, since it is larger than the sum of its proper divisors (13811117).

428611171 is a wasteful number, since it uses less digits than its factorization.

428611171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79973.

The product of its digits is 2688, while the sum is 31.

The square root of 428611171 is about 20702.9266288610. The cubic root of 428611171 is about 753.9707455106.

Adding to 428611171 its reverse (171116824), we get a palindrome (599727995).

The spelling of 428611171 in words is "four hundred twenty-eight million, six hundred eleven thousand, one hundred seventy-one".