3798820 has 24 divisors (see below), whose sum is σ = 8447544. Its totient is φ = 1430016.

The previous prime is 3798793. The next prime is 3798829. The reversal of 3798820 is 288973.

It can be written as a sum of positive squares in 4 ways, for example, as 729316 + 3069504 = 854^2 + 1752^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3798820.

It is not an unprimeable number, because it can be changed into a prime (3798829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5247 + ... + 5926.

It is an arithmetic number, because the mean of its divisors is an integer number (351981).

Almost surely, 2^3798820 is an apocalyptic number.

It is an amenable number.

3798820 is an abundant number, since it is smaller than the sum of its proper divisors (4648724).

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

3798820 is a wasteful number, since it uses less digits than its factorization.

3798820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11199 (or 11197 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 3798820 is about 1949.0561818480. The cubic root of 3798820 is about 156.0329209505.

The spelling of 3798820 in words is "three million, seven hundred ninety-eight thousand, eight hundred twenty".