171428084 has 12 divisors (see below), whose sum is σ = 300370308. Its totient is φ = 85608000.

The previous prime is 171428083. The next prime is 171428107. The reversal of 171428084 is 480824171.

171428084 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 98803600 + 72624484 = 9940^2 + 8522^2 .

It is a super-2 number, since 2×171428084² = 58775175967822112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171428083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22817 + ... + 29384.

It is an arithmetic number, because the mean of its divisors is an integer number (25030859).

Almost surely, 2^171428084 is an apocalyptic number.

It is an amenable number.

171428084 is a deficient number, since it is larger than the sum of its proper divisors (128942224).

171428084 is a wasteful number, since it uses less digits than its factorization.

171428084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53026 (or 53024 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 171428084 is about 13093.0548001603. The cubic root of 171428084 is about 555.5126977842.

The spelling of 171428084 in words is "one hundred seventy-one million, four hundred twenty-eight thousand, eighty-four".