3895843 has 12 divisors (see below), whose sum is σ = 4639800. Its totient is φ = 3261636.

The previous prime is 3895813. The next prime is 3895847. The reversal of 3895843 is 3485983.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 3895843 - 2¹⁷ = 3764771 is a prime.

It is a Duffinian number.

3895843 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3895796 and 3895805.

It is not an unprimeable number, because it can be changed into a prime (3895847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90580 + ... + 90622.

It is an arithmetic number, because the mean of its divisors is an integer number (386650).

Almost surely, 2^3895843 is an apocalyptic number.

3895843 is a deficient number, since it is larger than the sum of its proper divisors (743957).

3895843 is an frugal number, since it uses more digits than its factorization.

3895843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 50 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 3895843 is about 1973.7889958149. The cubic root of 3895843 is about 157.3501455310.

The spelling of 3895843 in words is "three million, eight hundred ninety-five thousand, eight hundred forty-three".