3820897860 has 48 divisors (see below), whose sum is σ = 11521478976. Its totient is φ = 940528512.

The previous prime is 3820897859. The next prime is 3820897867. The reversal of 3820897860 is 687980283.

3820897860 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3820897867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2448514 + ... + 2450073.

It is an arithmetic number, because the mean of its divisors is an integer number (240030812).

Almost surely, 2^3820897860 is an apocalyptic number.

3820897860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3820897860 is an abundant number, since it is smaller than the sum of its proper divisors (7700581116).

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

3820897860 is a wasteful number, since it uses less digits than its factorization.

3820897860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4898612 (or 4898610 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 3820897860 is about 61813.4116515178. The cubic root of 3820897860 is about 1563.3461295374.

The spelling of 3820897860 in words is "three billion, eight hundred twenty million, eight hundred ninety-seven thousand, eight hundred sixty".