3294664646 has 48 divisors (see below), whose sum is σ = 6215245344. Its totient is φ = 1298295936.

The previous prime is 3294664643. The next prime is 3294664673. The reversal of 3294664646 is 6464664923.

It is a junction number, because it is equal to n+sod(n) for n = 3294664594 and 3294664603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3294664643) 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, 330146 + ... + 339978.

It is an arithmetic number, because the mean of its divisors is an integer number (129484278).

Almost surely, 2^3294664646 is an apocalyptic number.

3294664646 is a deficient number, since it is larger than the sum of its proper divisors (2920580698).

3294664646 is a wasteful number, since it uses less digits than its factorization.

3294664646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10125 (or 10118 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 50.

The square root of 3294664646 is about 57399.1693842341. The cubic root of 3294664646 is about 1488.0027661504.

The spelling of 3294664646 in words is "three billion, two hundred ninety-four million, six hundred sixty-four thousand, six hundred forty-six".