3209654344 has 128 divisors (see below), whose sum is σ = 7156800000. Its totient is φ = 1335979008.

The previous prime is 3209654341. The next prime is 3209654377. The reversal of 3209654344 is 4434569023.

It is a junction number, because it is equal to n+sod(n) for n = 3209654297 and 3209654306.

It is not an unprimeable number, because it can be changed into a prime (3209654341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4526662 + ... + 4527370.

It is an arithmetic number, because the mean of its divisors is an integer number (55912500).

Almost surely, 2^3209654344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3209654344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3578400000).

3209654344 is an abundant number, since it is smaller than the sum of its proper divisors (3947145656).

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

3209654344 is a wasteful number, since it uses less digits than its factorization.

3209654344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

The square root of 3209654344 is about 56653.8113810536. The cubic root of 3209654344 is about 1475.0930660803.

The spelling of 3209654344 in words is "three billion, two hundred nine million, six hundred fifty-four thousand, three hundred forty-four".