3689104644 has 81 divisors (see below), whose sum is σ = 9554526709. Its totient is φ = 1200182880.

The previous prime is 3689104637. The next prime is 3689104651. The reversal of 3689104644 is 4464019863.

The square root of 3689104644 is 60738.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (3689104637) and next prime (3689104651).

It can be written as a sum of positive squares in only one way, i.e., 2659464900 + 1029639744 = 51570^2 + 32088^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3689104644.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19314589 + ... + 19314779.

Almost surely, 2^3689104644 is an apocalyptic number.

3689104644 is the 60738-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3689104644

3689104644 is an abundant number, since it is smaller than the sum of its proper divisors (5865422065).

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

3689104644 is a wasteful number, since it uses less digits than its factorization.

3689104644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The cubic root of 3689104644 is about 1545.1607159924.

The spelling of 3689104644 in words is "three billion, six hundred eighty-nine million, one hundred four thousand, six hundred forty-four".