193868252 has 24 divisors (see below), whose sum is σ = 352361856. Its totient is φ = 93261168.

The previous prime is 193868249. The next prime is 193868261. The reversal of 193868252 is 252868391.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3113 + ... + 19935.

It is an arithmetic number, because the mean of its divisors is an integer number (14681744).

Almost surely, 2^193868252 is an apocalyptic number.

It is an amenable number.

193868252 is a deficient number, since it is larger than the sum of its proper divisors (158493604).

193868252 is a wasteful number, since it uses less digits than its factorization.

193868252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16937 (or 16935 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 193868252 is about 13923.6579963744. The cubic root of 193868252 is about 578.7649621777.

The spelling of 193868252 in words is "one hundred ninety-three million, eight hundred sixty-eight thousand, two hundred fifty-two".