3906826243 has 16 divisors (see below), whose sum is σ = 4059615232. Its totient is φ = 3755808000.

The previous prime is 3906826211. The next prime is 3906826277. The reversal of 3906826243 is 3426286093.

It is a cyclic number.

It is not a de Polignac number, because 3906826243 - 2⁵ = 3906826211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3906826243.

It is not an unprimeable number, because it can be changed into a prime (3906826283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5653528 + ... + 5654218.

It is an arithmetic number, because the mean of its divisors is an integer number (253725952).

Almost surely, 2^3906826243 is an apocalyptic number.

3906826243 is a deficient number, since it is larger than the sum of its proper divisors (152788989).

3906826243 is a wasteful number, since it uses less digits than its factorization.

3906826243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666.

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 3906826243 is about 62504.6097739999. The cubic root of 3906826243 is about 1574.9787507673.

The spelling of 3906826243 in words is "three billion, nine hundred six million, eight hundred twenty-six thousand, two hundred forty-three".