193868344 has 16 divisors (see below), whose sum is σ = 367588800. Its totient is φ = 95844672.

The previous prime is 193868321. The next prime is 193868359. The reversal of 193868344 is 443868391.

It is a junction number, because it is equal to n+sod(n) for n = 193868294 and 193868303.

It is a congruent number.

It is an unprimeable number.

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, 135432 + ... + 136855.

It is an arithmetic number, because the mean of its divisors is an integer number (22974300).

Almost surely, 2^193868344 is an apocalyptic number.

It is an amenable number.

193868344 is a deficient number, since it is larger than the sum of its proper divisors (173720456).

193868344 is a wasteful number, since it uses less digits than its factorization.

193868344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272382 (or 272378 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The square root of 193868344 is about 13923.6613001035. The cubic root of 193868344 is about 578.7650537285.

It can be divided in two parts, 19386 and 8344, that added together give a triangular number (27730 = T₂₃₅).

The spelling of 193868344 in words is "one hundred ninety-three million, eight hundred sixty-eight thousand, three hundred forty-four".