3845620 has 24 divisors (see below), whose sum is σ = 8215200. Its totient is φ = 1511712.

The previous prime is 3845593. The next prime is 3845651. The reversal of 3845620 is 265483.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450 + ... + 2809.

It is an arithmetic number, because the mean of its divisors is an integer number (342300).

Almost surely, 2^3845620 is an apocalyptic number.

It is an amenable number.

3845620 is an abundant number, since it is smaller than the sum of its proper divisors (4369580).

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

3845620 is a wasteful number, since it uses less digits than its factorization.

3845620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327 (or 3325 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 3845620 is about 1961.0252420609. The cubic root of 3845620 is about 156.6710627004.

It can be divided in two parts, 3845 and 620, that added together give a triangular number (4465 = T₉₄).

The spelling of 3845620 in words is "three million, eight hundred forty-five thousand, six hundred twenty".