4055820 has 48 divisors (see below), whose sum is σ = 11854080. Its totient is φ = 1034176.

The previous prime is 4055801. The next prime is 4055833. The reversal of 4055820 is 285504.

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, 90 + ... + 2849.

It is an arithmetic number, because the mean of its divisors is an integer number (246960).

Almost surely, 2^4055820 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 4055820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5927040).

4055820 is an abundant number, since it is smaller than the sum of its proper divisors (7798260).

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

4055820 is a wasteful number, since it uses less digits than its factorization.

4055820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974 (or 2972 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 4055820 is about 2013.9066512627. The cubic root of 4055820 is about 159.4751028181.

The spelling of 4055820 in words is "four million, fifty-five thousand, eight hundred twenty".