171482393 has 8 divisors (see below), whose sum is σ = 172778760. Its totient is φ = 170190720.

The previous prime is 171482387. The next prime is 171482431. The reversal of 171482393 is 393284171.

It can be written as a sum of positive squares in 4 ways, for example, as 118309129 + 53173264 = 10877^2 + 7292^2 .

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 171482393 - 2¹⁸ = 171220249 is a prime.

It is a super-2 number, since 2×171482393² = 58812422218012898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171482293) 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, 105773 + ... + 107381.

It is an arithmetic number, because the mean of its divisors is an integer number (21597345).

Almost surely, 2^171482393 is an apocalyptic number.

It is an amenable number.

171482393 is a deficient number, since it is larger than the sum of its proper divisors (1296367).

171482393 is a wasteful number, since it uses less digits than its factorization.

171482393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347.

The product of its digits is 36288, while the sum is 38.

The square root of 171482393 is about 13095.1285980704. The cubic root of 171482393 is about 555.5713543611.

The spelling of 171482393 in words is "one hundred seventy-one million, four hundred eighty-two thousand, three hundred ninety-three".