3906615258 has 144 divisors (see below), whose sum is σ = 10997269920. Its totient is φ = 1030234464.

The previous prime is 3906615239. The next prime is 3906615269. The reversal of 3906615258 is 8525166093.

3906615258 is a `hidden beast` number, since 3 + 9 + 0 + 6 + 615 + 25 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 303273 + ... + 315891.

It is an arithmetic number, because the mean of its divisors is an integer number (76369930).

Almost surely, 2^3906615258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3906615258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5498634960).

3906615258 is an abundant number, since it is smaller than the sum of its proper divisors (7090654662).

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

3906615258 is a wasteful number, since it uses less digits than its factorization.

3906615258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12663 (or 12644 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 3906615258 is about 62502.9219956955. The cubic root of 3906615258 is about 1574.9503984379.

The spelling of 3906615258 in words is "three billion, nine hundred six million, six hundred fifteen thousand, two hundred fifty-eight".