3898020849 has 8 divisors (see below), whose sum is σ = 5198770560. Its totient is φ = 2597975856.

The previous prime is 3898020827. The next prime is 3898020851. The reversal of 3898020849 is 9480208983.

It is a happy number.

3898020849 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3898020849 - 2¹¹ = 3898018801 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3898021849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163134 + ... + 185495.

It is an arithmetic number, because the mean of its divisors is an integer number (649846320).

Almost surely, 2^3898020849 is an apocalyptic number.

It is an amenable number.

3898020849 is a deficient number, since it is larger than the sum of its proper divisors (1300749711).

3898020849 is a wasteful number, since it uses less digits than its factorization.

3898020849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352359.

The product of its (nonzero) digits is 995328, while the sum is 51.

The square root of 3898020849 is about 62434.1320833404. The cubic root of 3898020849 is about 1573.7946062584.

The spelling of 3898020849 in words is "three billion, eight hundred ninety-eight million, twenty thousand, eight hundred forty-nine".