171438368 has 24 divisors (see below), whose sum is σ = 355284720. Its totient is φ = 81207360.

The previous prime is 171438367. The next prime is 171438373. The reversal of 171438368 is 863834171.

It is a super-2 number, since 2×171438368² = 58782228045006848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (171438367) 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, 140378 + ... + 141593.

It is an arithmetic number, because the mean of its divisors is an integer number (14803530).

Almost surely, 2^171438368 is an apocalyptic number.

It is an amenable number.

171438368 is an abundant number, since it is smaller than the sum of its proper divisors (183846352).

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

171438368 is a wasteful number, since it uses less digits than its factorization.

171438368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282000 (or 281992 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 171438368 is about 13093.4475215659. The cubic root of 171438368 is about 555.5238059959.

The spelling of 171438368 in words is "one hundred seventy-one million, four hundred thirty-eight thousand, three hundred sixty-eight".