3803945780 has 12 divisors (see below), whose sum is σ = 7988286180. Its totient is φ = 1521578304.

The previous prime is 3803945777. The next prime is 3803945791. The reversal of 3803945780 is 875493083.

It can be written as a sum of positive squares in 2 ways, for example, as 1163219236 + 2640726544 = 34106^2 + 51388^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95098625 + ... + 95098664.

It is an arithmetic number, because the mean of its divisors is an integer number (665690515).

Almost surely, 2^3803945780 is an apocalyptic number.

It is an amenable number.

3803945780 is an abundant number, since it is smaller than the sum of its proper divisors (4184340400).

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

3803945780 is a wasteful number, since it uses less digits than its factorization.

3803945780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190197298 (or 190197296 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 3803945780 is about 61676.1362278799. The cubic root of 3803945780 is about 1561.0306825705.

The spelling of 3803945780 in words is "three billion, eight hundred three million, nine hundred forty-five thousand, seven hundred eighty".