3899522900 has 324 divisors, whose sum is σ = 11326689108. Its totient is φ = 1157345280.

The previous prime is 3899522881. The next prime is 3899522909. The reversal of 3899522900 is 92259983.

It can be written as a sum of positive squares in 18 ways, for example, as 3710515396 + 189007504 = 60914^2 + 13748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3899522909) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 14077562 + ... + 14077838.

It is an arithmetic number, because the mean of its divisors is an integer number (34958917).

Almost surely, 2^3899522900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3899522900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5663344554).

3899522900 is an abundant number, since it is smaller than the sum of its proper divisors (7427166208).

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

3899522900 is a wasteful number, since it uses less digits than its factorization.

3899522900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 3899522900 is about 62446.1600100439. The cubic root of 3899522900 is about 1573.9967273076.

The spelling of 3899522900 in words is "three billion, eight hundred ninety-nine million, five hundred twenty-two thousand, nine hundred".