3283640329 has 4 divisors (see below), whose sum is σ = 3285435520. Its totient is φ = 3281845140.

The previous prime is 3283640317. The next prime is 3283640377. The reversal of 3283640329 is 9230463823.

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 3283640329 - 2⁷ = 3283640201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3283640291 and 3283640300.

It is not an unprimeable number, because it can be changed into a prime (3283640429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 894849 + ... + 898510.

It is an arithmetic number, because the mean of its divisors is an integer number (821358880).

Almost surely, 2^3283640329 is an apocalyptic number.

It is an amenable number.

3283640329 is a deficient number, since it is larger than the sum of its proper divisors (1795191).

3283640329 is a wasteful number, since it uses less digits than its factorization.

3283640329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795190.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 3283640329 is about 57303.0568905360. The cubic root of 3283640329 is about 1486.3412368979.

The spelling of 3283640329 in words is "three billion, two hundred eighty-three million, six hundred forty thousand, three hundred twenty-nine".