3684199780 has 24 divisors (see below), whose sum is σ = 7742561400. Its totient is φ = 1472586240.

The previous prime is 3684199751. The next prime is 3684199781. The reversal of 3684199780 is 879914863.

It can be written as a sum of positive squares in 4 ways, for example, as 195364 + 3684004416 = 442^2 + 60696^2 .

It is not an unprimeable number, because it can be changed into a prime (3684199781) by changing a digit.

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, 40455 + ... + 94894.

It is an arithmetic number, because the mean of its divisors is an integer number (322606725).

Almost surely, 2^3684199780 is an apocalyptic number.

It is an amenable number.

3684199780 is an abundant number, since it is smaller than the sum of its proper divisors (4058361620).

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

3684199780 is a wasteful number, since it uses less digits than its factorization.

3684199780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136719 (or 136717 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 3684199780 is about 60697.6093433671. The cubic root of 3684199780 is about 1544.4756207192.

The spelling of 3684199780 in words is "three billion, six hundred eighty-four million, one hundred ninety-nine thousand, seven hundred eighty".