216483841 has 4 divisors (see below), whose sum is σ = 247410112. Its totient is φ = 185557572.

The previous prime is 216483829. The next prime is 216483863. The reversal of 216483841 is 148384612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 216483841 - 2⁵ = 216483809 is a prime.

It is a super-2 number, since 2×216483841² = 93730506828226562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 216483841.

It is not an unprimeable number, because it can be changed into a prime (216483871) 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, 15463125 + ... + 15463138.

It is an arithmetic number, because the mean of its divisors is an integer number (61852528).

Almost surely, 2^216483841 is an apocalyptic number.

It is an amenable number.

216483841 is a deficient number, since it is larger than the sum of its proper divisors (30926271).

216483841 is an equidigital number, since it uses as much as digits as its factorization.

216483841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30926270.

The product of its digits is 36864, while the sum is 37.

The square root of 216483841 is about 14713.3898541431. The cubic root of 216483841 is about 600.4476668335.

The spelling of 216483841 in words is "two hundred sixteen million, four hundred eighty-three thousand, eight hundred forty-one".