193628255 has 4 divisors (see below), whose sum is σ = 232353912. Its totient is φ = 154902600.

The previous prime is 193628243. The next prime is 193628261. The reversal of 193628255 is 552826391.

193628255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 193628255 - 2⁸ = 193627999 is a prime.

It is a super-2 number, since 2×193628255² = 74983802268690050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19362821 + ... + 19362830.

It is an arithmetic number, because the mean of its divisors is an integer number (58088478).

Almost surely, 2^193628255 is an apocalyptic number.

193628255 is a deficient number, since it is larger than the sum of its proper divisors (38725657).

193628255 is an equidigital number, since it uses as much as digits as its factorization.

193628255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38725656.

The product of its digits is 129600, while the sum is 41.

The square root of 193628255 is about 13915.0370103712. The cubic root of 193628255 is about 578.5260383898.

The spelling of 193628255 in words is "one hundred ninety-three million, six hundred twenty-eight thousand, two hundred fifty-five".