193628449 has 24 divisors (see below), whose sum is σ = 244780800. Its totient is φ = 152137440.

The previous prime is 193628443. The next prime is 193628471. The reversal of 193628449 is 944826391.

It is not a de Polignac number, because 193628449 - 2⁷ = 193628321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 193628399 and 193628408.

It is not an unprimeable number, because it can be changed into a prime (193628443) 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 23 ways as a sum of consecutive naturals, for example, 25507 + ... + 32215.

It is an arithmetic number, because the mean of its divisors is an integer number (10199200).

Almost surely, 2^193628449 is an apocalyptic number.

193628449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

193628449 is a deficient number, since it is larger than the sum of its proper divisors (51152351).

193628449 is a wasteful number, since it uses less digits than its factorization.

193628449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6773 (or 6766 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 193628449 is about 13915.0439812456. The cubic root of 193628449 is about 578.5262316020.

The spelling of 193628449 in words is "one hundred ninety-three million, six hundred twenty-eight thousand, four hundred forty-nine".