3646975436 has 24 divisors (see below), whose sum is σ = 6874853664. Its totient is φ = 1682801280.

The previous prime is 3646975373. The next prime is 3646975441. The reversal of 3646975436 is 6345796463.

It is a happy number.

3646975436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322616 + ... + 333728.

It is an arithmetic number, because the mean of its divisors is an integer number (286452236).

Almost surely, 2^3646975436 is an apocalyptic number.

It is an amenable number.

3646975436 is a deficient number, since it is larger than the sum of its proper divisors (3227878228).

3646975436 is a wasteful number, since it uses less digits than its factorization.

3646975436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17441 (or 17439 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 53.

The square root of 3646975436 is about 60390.1932104874. The cubic root of 3646975436 is about 1539.2563222142.

The spelling of 3646975436 in words is "three billion, six hundred forty-six million, nine hundred seventy-five thousand, four hundred thirty-six".