193471216 has 40 divisors (see below), whose sum is σ = 392832000. Its totient is φ = 92131776.

The previous prime is 193471189. The next prime is 193471241. The reversal of 193471216 is 612174391.

It is a super-2 number, since 2×193471216² = 74862222841037312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 95785 + ... + 97783.

It is an arithmetic number, because the mean of its divisors is an integer number (9820800).

Almost surely, 2^193471216 is an apocalyptic number.

193471216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 193471216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196416000).

193471216 is an abundant number, since it is smaller than the sum of its proper divisors (199360784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

193471216 is a wasteful number, since it uses less digits than its factorization.

193471216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293 (or 2287 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 193471216 is about 13909.3930852500. The cubic root of 193471216 is about 578.3695947572.

The spelling of 193471216 in words is "one hundred ninety-three million, four hundred seventy-one thousand, two hundred sixteen".