428333171 has 16 divisors (see below), whose sum is σ = 493516800. Its totient is φ = 364162848.

The previous prime is 428333159. The next prime is 428333183. The reversal of 428333171 is 171333824.

It is an interprime number because it is at equal distance from previous prime (428333159) and next prime (428333183).

It is not a de Polignac number, because 428333171 - 2¹⁰ = 428332147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428333671) 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, 841265 + ... + 841773.

It is an arithmetic number, because the mean of its divisors is an integer number (30844800).

Almost surely, 2^428333171 is an apocalyptic number.

428333171 is a deficient number, since it is larger than the sum of its proper divisors (65183629).

428333171 is a wasteful number, since it uses less digits than its factorization.

428333171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258.

The product of its digits is 12096, while the sum is 32.

The square root of 428333171 is about 20696.2115132214. The cubic root of 428333171 is about 753.8077001410.

Adding to 428333171 its reverse (171333824), we get a palindrome (599666995).

The spelling of 428333171 in words is "four hundred twenty-eight million, three hundred thirty-three thousand, one hundred seventy-one".