3861381835 has 8 divisors (see below), whose sum is σ = 4634097840. Its totient is φ = 3088812384.

The previous prime is 3861381809. The next prime is 3861381863. The reversal of 3861381835 is 5381831683.

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 3861381835 - 2⁷ = 3861381707 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33561 + ... + 94069.

It is an arithmetic number, because the mean of its divisors is an integer number (579262230).

Almost surely, 2^3861381835 is an apocalyptic number.

3861381835 is a deficient number, since it is larger than the sum of its proper divisors (772716005).

3861381835 is a wasteful number, since it uses less digits than its factorization.

3861381835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73277.

The product of its digits is 414720, while the sum is 46.

The square root of 3861381835 is about 62140.0179835828. The cubic root of 3861381835 is about 1568.8481733877.

The spelling of 3861381835 in words is "three billion, eight hundred sixty-one million, three hundred eighty-one thousand, eight hundred thirty-five".