393252171 has 8 divisors (see below), whose sum is σ = 564669840. Its totient is φ = 242001312.

The previous prime is 393252133. The next prime is 393252193. The reversal of 393252171 is 171252393.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 393252171 - 2¹⁵ = 393219403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (393252121) 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, 5041656 + ... + 5041733.

It is an arithmetic number, because the mean of its divisors is an integer number (70583730).

Almost surely, 2^393252171 is an apocalyptic number.

393252171 is a deficient number, since it is larger than the sum of its proper divisors (171417669).

393252171 is a wasteful number, since it uses less digits than its factorization.

393252171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10083405.

The product of its digits is 11340, while the sum is 33.

The square root of 393252171 is about 19830.5867538003. The cubic root of 393252171 is about 732.6395784445.

The spelling of 393252171 in words is "three hundred ninety-three million, two hundred fifty-two thousand, one hundred seventy-one".