3841031820 has 24 divisors (see below), whose sum is σ = 10754889264. Its totient is φ = 1024275136.

The previous prime is 3841031783. The next prime is 3841031837. The reversal of 3841031820 is 281301483.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 32008539 + ... + 32008658.

It is an arithmetic number, because the mean of its divisors is an integer number (448120386).

Almost surely, 2^3841031820 is an apocalyptic number.

3841031820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3841031820 is an abundant number, since it is smaller than the sum of its proper divisors (6913857444).

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

3841031820 is a wasteful number, since it uses less digits than its factorization.

3841031820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64017209 (or 64017207 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 3841031820 is about 61976.0584419500. The cubic root of 3841031820 is about 1566.0873021960.

The spelling of 3841031820 in words is "three billion, eight hundred forty-one million, thirty-one thousand, eight hundred twenty".