3899670225 has 48 divisors (see below), whose sum is σ = 7087474944. Its totient is φ = 1876264000.

The previous prime is 3899670221. The next prime is 3899670227. The reversal of 3899670225 is 5220769983.

3899670225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3899670225 - 2² = 3899670221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3899670221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90034 + ... + 126116.

It is an arithmetic number, because the mean of its divisors is an integer number (147655728).

Almost surely, 2^3899670225 is an apocalyptic number.

It is an amenable number.

3899670225 is a deficient number, since it is larger than the sum of its proper divisors (3187804719).

3899670225 is a wasteful number, since it uses less digits than its factorization.

3899670225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36238 (or 36233 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 3899670225 is about 62447.3396150709. The cubic root of 3899670225 is about 1574.0165490613.

The spelling of 3899670225 in words is "three billion, eight hundred ninety-nine million, six hundred seventy thousand, two hundred twenty-five".