3862843249 has 4 divisors (see below), whose sum is σ = 3957058980. Its totient is φ = 3768627520.

The previous prime is 3862843223. The next prime is 3862843267. The reversal of 3862843249 is 9423482683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9423482683 = 2887 ⋅3264109.

It can be written as a sum of positive squares in 2 ways, for example, as 829036849 + 3033806400 = 28793^2 + 55080^2 .

It is a cyclic number.

It is not a de Polignac number, because 3862843249 - 2⁷ = 3862843121 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3862843349) 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 3 ways as a sum of consecutive naturals, for example, 47107804 + ... + 47107885.

It is an arithmetic number, because the mean of its divisors is an integer number (989264745).

Almost surely, 2^3862843249 is an apocalyptic number.

It is an amenable number.

3862843249 is a deficient number, since it is larger than the sum of its proper divisors (94215731).

3862843249 is an equidigital number, since it uses as much as digits as its factorization.

3862843249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94215730.

The product of its digits is 1990656, while the sum is 49.

The square root of 3862843249 is about 62151.7759118756. The cubic root of 3862843249 is about 1569.0460686490.

The spelling of 3862843249 in words is "three billion, eight hundred sixty-two million, eight hundred forty-three thousand, two hundred forty-nine".