3870212328 has 24 divisors (see below), whose sum is σ = 10481825250. Its totient is φ = 1290070752.

The previous prime is 3870212327. The next prime is 3870212347. The reversal of 3870212328 is 8232120783.

It is a happy number.

3870212328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3519099684 + 351112644 = 59322^2 + 18738^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3870212292 and 3870212301.

It is not an unprimeable number, because it can be changed into a prime (3870212327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26876403 + ... + 26876546.

Almost surely, 2^3870212328 is an apocalyptic number.

It is an amenable number.

3870212328 is an abundant number, since it is smaller than the sum of its proper divisors (6611612922).

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

3870212328 is a wasteful number, since it uses less digits than its factorization.

3870212328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53752961 (or 53752954 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 3870212328 is about 62211.0305974752. The cubic root of 3870212328 is about 1570.0431821733.

The spelling of 3870212328 in words is "three billion, eight hundred seventy million, two hundred twelve thousand, three hundred twenty-eight".