3840301820 has 24 divisors (see below), whose sum is σ = 8078981904. Its totient is φ = 1533387776.

The previous prime is 3840301807. The next prime is 3840301823. The reversal of 3840301820 is 281030483.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3840301823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159269 + ... + 181788.

It is an arithmetic number, because the mean of its divisors is an integer number (336624246).

Almost surely, 2^3840301820 is an apocalyptic number.

It is an amenable number.

3840301820 is an abundant number, since it is smaller than the sum of its proper divisors (4238680084).

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

3840301820 is a wasteful number, since it uses less digits than its factorization.

3840301820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341629 (or 341627 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 3840301820 is about 61970.1687911208. The cubic root of 3840301820 is about 1565.9880826618.

The spelling of 3840301820 in words is "three billion, eight hundred forty million, three hundred one thousand, eight hundred twenty".