3843966780 has 60 divisors (see below), whose sum is σ = 12058671240. Its totient is φ = 1025057376.

The previous prime is 3843966773. The next prime is 3843966787. The reversal of 3843966780 is 876693483.

It is an interprime number because it is at equal distance from previous prime (3843966773) and next prime (3843966787).

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3843966787) 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 19 ways as a sum of consecutive naturals, for example, 1184790 + ... + 1188029.

It is an arithmetic number, because the mean of its divisors is an integer number (200977854).

Almost surely, 2^3843966780 is an apocalyptic number.

3843966780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3843966780 is an abundant number, since it is smaller than the sum of its proper divisors (8214704460).

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

3843966780 is a wasteful number, since it uses less digits than its factorization.

3843966780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372840 (or 2372829 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The square root of 3843966780 is about 61999.7320961954. The cubic root of 3843966780 is about 1566.4860868270.

The spelling of 3843966780 in words is "three billion, eight hundred forty-three million, nine hundred sixty-six thousand, seven hundred eighty".