3249688216 has 32 divisors (see below), whose sum is σ = 6478068960. Its totient is φ = 1524869632.

The previous prime is 3249688201. The next prime is 3249688217. The reversal of 3249688216 is 6128869423.

It is a self number, because there is not a number n which added to its sum of digits gives 3249688216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3249688217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156865 + ... + 176368.

It is an arithmetic number, because the mean of its divisors is an integer number (202439655).

Almost surely, 2^3249688216 is an apocalyptic number.

It is an amenable number.

3249688216 is a deficient number, since it is larger than the sum of its proper divisors (3228380744).

3249688216 is a wasteful number, since it uses less digits than its factorization.

3249688216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333315 (or 333311 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 3249688216 is about 57006.0366627956. The cubic root of 3249688216 is about 1481.2006655672.

The spelling of 3249688216 in words is "three billion, two hundred forty-nine million, six hundred eighty-eight thousand, two hundred sixteen".