3243402216 has 32 divisors (see below), whose sum is σ = 9009451200. Its totient is φ = 1081134000.

The previous prime is 3243402209. The next prime is 3243402223. The reversal of 3243402216 is 6122043423.

3243402216 is a `hidden beast` number, since 3 + 2 + 43 + 402 + 216 = 666.

It is an interprime number because it is at equal distance from previous prime (3243402209) and next prime (3243402223).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 3243402216.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7507660 + ... + 7508091.

It is an arithmetic number, because the mean of its divisors is an integer number (281545350).

Almost surely, 2^3243402216 is an apocalyptic number.

3243402216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3243402216 is an abundant number, since it is smaller than the sum of its proper divisors (5766048984).

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

3243402216 is a wasteful number, since it uses less digits than its factorization.

3243402216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15015766 (or 15015756 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 3243402216 is about 56950.8754629813. The cubic root of 3243402216 is about 1480.2450008328.

Adding to 3243402216 its reverse (6122043423), we get a palindrome (9365445639).

The spelling of 3243402216 in words is "three billion, two hundred forty-three million, four hundred two thousand, two hundred sixteen".