3861913 has 8 divisors (see below), whose sum is σ = 4316256. Its totient is φ = 3424800.

The previous prime is 3861911. The next prime is 3861929. The reversal of 3861913 is 3191683.

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 3861913 - 2¹ = 3861911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3861911) 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, 3831 + ... + 4732.

It is an arithmetic number, because the mean of its divisors is an integer number (539532).

Almost surely, 2^3861913 is an apocalyptic number.

It is an amenable number.

3861913 is a deficient number, since it is larger than the sum of its proper divisors (454343).

3861913 is a wasteful number, since it uses less digits than its factorization.

3861913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8615.

The product of its digits is 3888, while the sum is 31.

The square root of 3861913 is about 1965.1750558156. The cubic root of 3861913 is about 156.8920106102.

It can be divided in two parts, 3861 and 913, that added together give a palindrome (4774).

The spelling of 3861913 in words is "three million, eight hundred sixty-one thousand, nine hundred thirteen".