3818897900 has 18 divisors (see below), whose sum is σ = 8287008660. Its totient is φ = 1527559120.

The previous prime is 3818897869. The next prime is 3818897903. The reversal of 3818897900 is 97988183.

It is not an unprimeable number, because it can be changed into a prime (3818897903) 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 5 ways as a sum of consecutive naturals, for example, 19094390 + ... + 19094589.

It is an arithmetic number, because the mean of its divisors is an integer number (460389370).

Almost surely, 2^3818897900 is an apocalyptic number.

It is an amenable number.

3818897900 is an abundant number, since it is smaller than the sum of its proper divisors (4468110760).

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

3818897900 is a wasteful number, since it uses less digits than its factorization.

3818897900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38188993 (or 38188986 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 53.

The square root of 3818897900 is about 61797.2321386646. The cubic root of 3818897900 is about 1563.0733162250.

The spelling of 3818897900 in words is "three billion, eight hundred eighteen million, eight hundred ninety-seven thousand, nine hundred".