3643304387 has 8 divisors (see below), whose sum is σ = 3740189376. Its totient is φ = 3546972072.

The previous prime is 3643304381. The next prime is 3643304389. The reversal of 3643304387 is 7834033463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3643304387 - 2²⁰ = 3642255811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3643304381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124793 + ... + 151194.

It is an arithmetic number, because the mean of its divisors is an integer number (467523672).

Almost surely, 2^3643304387 is an apocalyptic number.

3643304387 is a deficient number, since it is larger than the sum of its proper divisors (96884989).

3643304387 is a wasteful number, since it uses less digits than its factorization.

3643304387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276337.

The product of its (nonzero) digits is 435456, while the sum is 41.

The square root of 3643304387 is about 60359.7911444365. The cubic root of 3643304387 is about 1538.7396765227.

The spelling of 3643304387 in words is "three billion, six hundred forty-three million, three hundred four thousand, three hundred eighty-seven".