172313384 has 16 divisors (see below), whose sum is σ = 330601920. Its totient is φ = 84152880.

The previous prime is 172313381. The next prime is 172313417. The reversal of 172313384 is 483313271.

It is a self number, because there is not a number n which added to its sum of digits gives 172313384.

It is not an unprimeable number, because it can be changed into a prime (172313381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250112 + ... + 250799.

It is an arithmetic number, because the mean of its divisors is an integer number (20662620).

Almost surely, 2^172313384 is an apocalyptic number.

It is an amenable number.

172313384 is a deficient number, since it is larger than the sum of its proper divisors (158288536).

172313384 is a wasteful number, since it uses less digits than its factorization.

172313384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500960 (or 500956 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 172313384 is about 13126.8192643915. The cubic root of 172313384 is about 556.4673278800.

The spelling of 172313384 in words is "one hundred seventy-two million, three hundred thirteen thousand, three hundred eighty-four".