193648653 has 12 divisors (see below), whose sum is σ = 305143488. Its totient is φ = 117362760.

The previous prime is 193648531. The next prime is 193648669. The reversal of 193648653 is 356846391.

It is not a de Polignac number, because 193648653 - 2¹² = 193644557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 193648599 and 193648608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193648153) 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 11 ways as a sum of consecutive naturals, for example, 977925 + ... + 978122.

It is an arithmetic number, because the mean of its divisors is an integer number (25428624).

Almost surely, 2^193648653 is an apocalyptic number.

It is an amenable number.

193648653 is a deficient number, since it is larger than the sum of its proper divisors (111494835).

193648653 is a wasteful number, since it uses less digits than its factorization.

193648653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956064 (or 1956061 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 193648653 is about 13915.7699391733. The cubic root of 193648653 is about 578.5463528488.

It can be divided in two parts, 193 and 648653, that added together give a palindrome (648846).

The spelling of 193648653 in words is "one hundred ninety-three million, six hundred forty-eight thousand, six hundred fifty-three".