3685643304 has 32 divisors (see below), whose sum is σ = 10530409920. Its totient is φ = 1053040896.

The previous prime is 3685643287. The next prime is 3685643341. The reversal of 3685643304 is 4033465863.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10969009 + ... + 10969344.

It is an arithmetic number, because the mean of its divisors is an integer number (329075310).

Almost surely, 2^3685643304 is an apocalyptic number.

It is an amenable number.

3685643304 is an abundant number, since it is smaller than the sum of its proper divisors (6844766616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3685643304 is a wasteful number, since it uses less digits than its factorization.

3685643304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21938369 (or 21938365 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The square root of 3685643304 is about 60709.4992896499. The cubic root of 3685643304 is about 1544.6773105152.

The spelling of 3685643304 in words is "three billion, six hundred eighty-five million, six hundred forty-three thousand, three hundred four".