3238640696 has 8 divisors (see below), whose sum is σ = 6072451320. Its totient is φ = 1619320344.

The previous prime is 3238640689. The next prime is 3238640719. The reversal of 3238640696 is 6960468323.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 3238640696.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202415036 + ... + 202415051.

It is an arithmetic number, because the mean of its divisors is an integer number (759056415).

Almost surely, 2^3238640696 is an apocalyptic number.

It is an amenable number.

3238640696 is a deficient number, since it is larger than the sum of its proper divisors (2833810624).

3238640696 is a wasteful number, since it uses less digits than its factorization.

3238640696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404830093 (or 404830089 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 47.

The square root of 3238640696 is about 56909.0563618832. The cubic root of 3238640696 is about 1479.5202815824.

The spelling of 3238640696 in words is "three billion, two hundred thirty-eight million, six hundred forty thousand, six hundred ninety-six".