3844620 has 144 divisors (see below), whose sum is σ = 13208832. Its totient is φ = 898560.

The previous prime is 3844619. The next prime is 3844627. The reversal of 3844620 is 264483.

3844620 = T₂₁₁ + T₂₁₂ + ... + T₃₁₈.

3844620 is a `hidden beast` number, since 38 + 4 + 4 + 620 = 666.

It is a super-2 number, since 2×3844620² = 29562205888800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3844627) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72514 + ... + 72566.

It is an arithmetic number, because the mean of its divisors is an integer number (91728).

Almost surely, 2^3844620 is an apocalyptic number.

3844620 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 3844620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6604416).

3844620 is an abundant number, since it is smaller than the sum of its proper divisors (9364212).

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

3844620 is a wasteful number, since it uses less digits than its factorization.

3844620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 3844620 is about 1960.7702568124. The cubic root of 3844620 is about 156.6574814795.

The spelling of 3844620 in words is "three million, eight hundred forty-four thousand, six hundred twenty".