183397216 has 24 divisors (see below), whose sum is σ = 376763184. Its totient is φ = 87711360.

The previous prime is 183397213. The next prime is 183397217. The reversal of 183397216 is 612793381.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (183397213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123855 + ... + 125326.

It is an arithmetic number, because the mean of its divisors is an integer number (15698466).

Almost surely, 2^183397216 is an apocalyptic number.

183397216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

183397216 is an abundant number, since it is smaller than the sum of its proper divisors (193365968).

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

183397216 is a wasteful number, since it uses less digits than its factorization.

183397216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249214 (or 249206 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 183397216 is about 13542.4228260677. The cubic root of 183397216 is about 568.1516159430.

The spelling of 183397216 in words is "one hundred eighty-three million, three hundred ninety-seven thousand, two hundred sixteen".