3861443 has 8 divisors (see below), whose sum is σ = 3999600. Its totient is φ = 3725568.

The previous prime is 3861439. The next prime is 3861449. The reversal of 3861443 is 3441683.

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 3861443 - 2² = 3861439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3861449) 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, 3323 + ... + 4331.

It is an arithmetic number, because the mean of its divisors is an integer number (499950).

Almost surely, 2^3861443 is an apocalyptic number.

3861443 is a deficient number, since it is larger than the sum of its proper divisors (138157).

3861443 is a wasteful number, since it uses less digits than its factorization.

3861443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141.

The product of its digits is 6912, while the sum is 29.

The square root of 3861443 is about 1965.0554699550. The cubic root of 3861443 is about 156.8856456959.

The spelling of 3861443 in words is "three million, eight hundred sixty-one thousand, four hundred forty-three".