193628233 has 4 divisors (see below), whose sum is σ = 193762948. Its totient is φ = 193493520.

The previous prime is 193628231. The next prime is 193628243. The reversal of 193628233 is 332826391.

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

It can be written as a sum of positive squares in 2 ways, for example, as 191877904 + 1750329 = 13852^2 + 1323^2 .

It is a cyclic number.

It is not a de Polignac number, because 193628233 - 2¹ = 193628231 is a prime.

It is a super-2 number, since 2×193628233² = 74983785229404578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 193628192 and 193628201.

It is not an unprimeable number, because it can be changed into a prime (193628231) 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 3 ways as a sum of consecutive naturals, for example, 65178 + ... + 68083.

It is an arithmetic number, because the mean of its divisors is an integer number (48440737).

Almost surely, 2^193628233 is an apocalyptic number.

It is an amenable number.

193628233 is a deficient number, since it is larger than the sum of its proper divisors (134715).

193628233 is a wasteful number, since it uses less digits than its factorization.

193628233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134714.

The product of its digits is 46656, while the sum is 37.

The square root of 193628233 is about 13915.0362198594. The cubic root of 193628233 is about 578.5260164791.

The spelling of 193628233 in words is "one hundred ninety-three million, six hundred twenty-eight thousand, two hundred thirty-three".