171043428 has 12 divisors (see below), whose sum is σ = 399101360. Its totient is φ = 57014472.

The previous prime is 171043423. The next prime is 171043463. The reversal of 171043428 is 824340171.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 171043395 and 171043404.

It is not an unprimeable number, because it can be changed into a prime (171043423) 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 3 ways as a sum of consecutive naturals, for example, 7126798 + ... + 7126821.

Almost surely, 2^171043428 is an apocalyptic number.

It is an amenable number.

171043428 is an abundant number, since it is smaller than the sum of its proper divisors (228057932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171043428 is a wasteful number, since it uses less digits than its factorization.

171043428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14253626 (or 14253624 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 171043428 is about 13078.3572362893. The cubic root of 171043428 is about 555.0968940479.

Adding to 171043428 its reverse (824340171), we get a palindrome (995383599).

The spelling of 171043428 in words is "one hundred seventy-one million, forty-three thousand, four hundred twenty-eight".