193384216 has 8 divisors (see below), whose sum is σ = 362595420. Its totient is φ = 96692104.

The previous prime is 193384211. The next prime is 193384271. The reversal of 193384216 is 612483391.

193384216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193384211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12086506 + ... + 12086521.

Almost surely, 2^193384216 is an apocalyptic number.

It is an amenable number.

193384216 is a deficient number, since it is larger than the sum of its proper divisors (169211204).

193384216 is a wasteful number, since it uses less digits than its factorization.

193384216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24173033 (or 24173029 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 193384216 is about 13906.2653505533. The cubic root of 193384216 is about 578.2828881487.

It can be divided in two parts, 193384 and 216, that added together give a square (193600 = 440²).

The spelling of 193384216 in words is "one hundred ninety-three million, three hundred eighty-four thousand, two hundred sixteen".