3867384257 has 8 divisors (see below), whose sum is σ = 4222953792. Its totient is φ = 3512479600.

The previous prime is 3867384239. The next prime is 3867384259. The reversal of 3867384257 is 7524837683.

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

It is a cyclic number.

It is not a de Polignac number, because 3867384257 - 2⁶ = 3867384193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3867384199 and 3867384208.

It is not an unprimeable number, because it can be changed into a prime (3867384259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154013 + ... + 177354.

It is an arithmetic number, because the mean of its divisors is an integer number (527869224).

Almost surely, 2^3867384257 is an apocalyptic number.

It is an amenable number.

3867384257 is a deficient number, since it is larger than the sum of its proper divisors (355569535).

3867384257 is a wasteful number, since it uses less digits than its factorization.

3867384257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332439.

The product of its digits is 6773760, while the sum is 53.

The square root of 3867384257 is about 62188.2967848453. The cubic root of 3867384257 is about 1569.6606643527.

The spelling of 3867384257 in words is "three billion, eight hundred sixty-seven million, three hundred eighty-four thousand, two hundred fifty-seven".