3948258209 has 16 divisors (see below), whose sum is σ = 4607827968. Its totient is φ = 3313194192.

The previous prime is 3948258199. The next prime is 3948258227. The reversal of 3948258209 is 9028528493.

It is a de Polignac number, because none of the positive numbers 2^k-3948258209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3948258709) 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 15 ways as a sum of consecutive naturals, for example, 50624 + ... + 102270.

It is an arithmetic number, because the mean of its divisors is an integer number (287989248).

Almost surely, 2^3948258209 is an apocalyptic number.

It is an amenable number.

3948258209 is a deficient number, since it is larger than the sum of its proper divisors (659569759).

3948258209 is a wasteful number, since it uses less digits than its factorization.

3948258209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51884.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 3948258209 is about 62835.1669767814. The cubic root of 3948258209 is about 1580.5267443379.

The spelling of 3948258209 in words is "three billion, nine hundred forty-eight million, two hundred fifty-eight thousand, two hundred nine".