171428684 has 24 divisors (see below), whose sum is σ = 345897888. Its totient is φ = 72817920.

The previous prime is 171428671. The next prime is 171428687. The reversal of 171428684 is 486824171.

It is not an unprimeable number, because it can be changed into a prime (171428687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23927 + ... + 30254.

It is an arithmetic number, because the mean of its divisors is an integer number (14412412).

Almost surely, 2^171428684 is an apocalyptic number.

171428684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

171428684 is an abundant number, since it is smaller than the sum of its proper divisors (174469204).

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

171428684 is a wasteful number, since it uses less digits than its factorization.

171428684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54305 (or 54303 counting only the distinct ones).

The product of its digits is 86016, while the sum is 41.

The square root of 171428684 is about 13093.0777130513. The cubic root of 171428684 is about 555.5133458835.

The spelling of 171428684 in words is "one hundred seventy-one million, four hundred twenty-eight thousand, six hundred eighty-four".