3843870720 has 104 divisors (see below), whose sum is σ = 12299081376. Its totient is φ = 1025015808.

The previous prime is 3843870713. The next prime is 3843870733. The reversal of 3843870720 is 270783483.

It is a super-2 number, since 2×3843870720² = 29550684224146636800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30159 + ... + 92721.

Almost surely, 2^3843870720 is an apocalyptic number.

3843870720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3843870720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6149540688).

3843870720 is an abundant number, since it is smaller than the sum of its proper divisors (8455210656).

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

3843870720 is an equidigital number, since it uses as much as digits as its factorization.

3843870720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62595 (or 62573 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 3843870720 is about 61998.9574105888. The cubic root of 3843870720 is about 1566.4730379883.

The spelling of 3843870720 in words is "three billion, eight hundred forty-three million, eight hundred seventy thousand, seven hundred twenty".