193323340 has 24 divisors (see below), whose sum is σ = 463976352. Its totient is φ = 66282240.

The previous prime is 193323329. The next prime is 193323343. The reversal of 193323340 is 43323391.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 193323299 and 193323308.

It is not an unprimeable number, because it can be changed into a prime (193323343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 690301 + ... + 690580.

It is an arithmetic number, because the mean of its divisors is an integer number (19332348).

Almost surely, 2^193323340 is an apocalyptic number.

193323340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193323340 is an abundant number, since it is smaller than the sum of its proper divisors (270653012).

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

193323340 is a wasteful number, since it uses less digits than its factorization.

193323340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380897 (or 1380895 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 193323340 is about 13904.0763806878. The cubic root of 193323340 is about 578.2222019762. Note that the first 4 decimals are identical.

The spelling of 193323340 in words is "one hundred ninety-three million, three hundred twenty-three thousand, three hundred forty".