3843320 has 64 divisors (see below), whose sum is σ = 9828000. Its totient is φ = 1340928.

The previous prime is 3843317. The next prime is 3843347. The reversal of 3843320 is 233483.

It is a super-2 number, since 2×3843320² = 29542217244800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9686 + ... + 10074.

Almost surely, 2^3843320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3843320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4914000).

3843320 is an abundant number, since it is smaller than the sum of its proper divisors (5984680).

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

3843320 is a wasteful number, since it uses less digits than its factorization.

3843320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3843320 is about 1960.4387264079. The cubic root of 3843320 is about 156.6398223711.

The spelling of 3843320 in words is "three million, eight hundred forty-three thousand, three hundred twenty".