3845287380 has 48 divisors (see below), whose sum is σ = 11745607104. Its totient is φ = 932190720.

The previous prime is 3845287379. The next prime is 3845287387. The reversal of 3845287380 is 837825483.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845287387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2912437 + ... + 2913756.

It is an arithmetic number, because the mean of its divisors is an integer number (244700148).

Almost surely, 2^3845287380 is an apocalyptic number.

3845287380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3845287380 is an abundant number, since it is smaller than the sum of its proper divisors (7900319724).

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

3845287380 is a wasteful number, since it uses less digits than its factorization.

3845287380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5826216 (or 5826214 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The square root of 3845287380 is about 62010.3812276622. The cubic root of 3845287380 is about 1566.6654557608.

The spelling of 3845287380 in words is "three billion, eight hundred forty-five million, two hundred eighty-seven thousand, three hundred eighty".