3248638209 has 24 divisors (see below), whose sum is σ = 4733164800. Its totient is φ = 2147038368.

The previous prime is 3248638201. The next prime is 3248638213. The reversal of 3248638209 is 9028368423.

3248638209 is a `hidden beast` number, since 3 + 2 + 4 + 8 + 638 + 2 + 0 + 9 = 666.

It is not a de Polignac number, because 3248638209 - 2³ = 3248638201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3248638201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 785104 + ... + 789230.

It is an arithmetic number, because the mean of its divisors is an integer number (197215200).

Almost surely, 2^3248638209 is an apocalyptic number.

It is an amenable number.

3248638209 is a deficient number, since it is larger than the sum of its proper divisors (1484526591).

3248638209 is a wasteful number, since it uses less digits than its factorization.

3248638209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869 (or 4866 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 3248638209 is about 56996.8263063831. The cubic root of 3248638209 is about 1481.0411180966.

The spelling of 3248638209 in words is "three billion, two hundred forty-eight million, six hundred thirty-eight thousand, two hundred nine".