193441920 has 256 divisors, whose sum is σ = 725587200. Its totient is φ = 42909696.

The previous prime is 193441889. The next prime is 193441921. The reversal of 193441920 is 29144391.

It is not an unprimeable number, because it can be changed into a prime (193441921) 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 31 ways as a sum of consecutive naturals, for example, 497086 + ... + 497474.

It is an arithmetic number, because the mean of its divisors is an integer number (2834325).

Almost surely, 2^193441920 is an apocalyptic number.

193441920 is a gapful number since it is divisible by the number (10) 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 193441920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362793600).

193441920 is an abundant number, since it is smaller than the sum of its proper divisors (532145280).

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

193441920 is a wasteful number, since it uses less digits than its factorization.

193441920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 193441920 is about 13908.3399440767. The cubic root of 193441920 is about 578.3404004559.

The spelling of 193441920 in words is "one hundred ninety-three million, four hundred forty-one thousand, nine hundred twenty".