3857846243 has 16 divisors (see below), whose sum is σ = 4034304000. Its totient is φ = 3684795840.

The previous prime is 3857846219. The next prime is 3857846269. The reversal of 3857846243 is 3426487583.

It is a cyclic number.

It is not a de Polignac number, because 3857846243 - 2⁸ = 3857845987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3857846191 and 3857846200.

It is not an unprimeable number, because it can be changed into a prime (3157846243) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2269808 + ... + 2271506.

It is an arithmetic number, because the mean of its divisors is an integer number (252144000).

Almost surely, 2^3857846243 is an apocalyptic number.

3857846243 is a deficient number, since it is larger than the sum of its proper divisors (176457757).

3857846243 is a wasteful number, since it uses less digits than its factorization.

3857846243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642.

The product of its digits is 3870720, while the sum is 50.

The square root of 3857846243 is about 62111.5628768106. The cubic root of 3857846243 is about 1568.3691997034.

The spelling of 3857846243 in words is "three billion, eight hundred fifty-seven million, eight hundred forty-six thousand, two hundred forty-three".