193922208 has 96 divisors (see below), whose sum is σ = 595425600. Its totient is φ = 61233408.

The previous prime is 193922191. The next prime is 193922219. The reversal of 193922208 is 802229391.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10510 + ... + 22322.

It is an arithmetic number, because the mean of its divisors is an integer number (6202350).

Almost surely, 2^193922208 is an apocalyptic number.

193922208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 193922208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297712800).

193922208 is an abundant number, since it is smaller than the sum of its proper divisors (401503392).

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

193922208 is a wasteful number, since it uses less digits than its factorization.

193922208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11851 (or 11837 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 193922208 is about 13925.5954271263. The cubic root of 193922208 is about 578.8186497472.

The spelling of 193922208 in words is "one hundred ninety-three million, nine hundred twenty-two thousand, two hundred eight".