4036820 has 48 divisors (see below), whose sum is σ = 9289728. Its totient is φ = 1466880.

The previous prime is 4036801. The next prime is 4036841. The reversal of 4036820 is 286304.

It is a happy number.

4036820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

4036820 is a Rhonda number in base 15.

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, 10349 + ... + 10731.

It is an arithmetic number, because the mean of its divisors is an integer number (193536).

Almost surely, 2^4036820 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 4036820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4644864).

4036820 is an abundant number, since it is smaller than the sum of its proper divisors (5252908).

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

4036820 is a wasteful number, since it uses less digits than its factorization.

4036820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 4036820 is about 2009.1839139312. The cubic root of 4036820 is about 159.2256858634.

The spelling of 4036820 in words is "four million, thirty-six thousand, eight hundred twenty".