3896841 has 16 divisors (see below), whose sum is σ = 5638976. Its totient is φ = 2379456.

The previous prime is 3896831. The next prime is 3896861. The reversal of 3896841 is 1486983.

It is not a de Polignac number, because 3896841 - 2⁶ = 3896777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3896841.

It is not an unprimeable number, because it can be changed into a prime (3896801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6051 + ... + 6663.

It is an arithmetic number, because the mean of its divisors is an integer number (352436).

Almost surely, 2^3896841 is an apocalyptic number.

It is an amenable number.

3896841 is a deficient number, since it is larger than the sum of its proper divisors (1742135).

3896841 is a wasteful number, since it uses less digits than its factorization.

3896841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792.

The product of its digits is 41472, while the sum is 39.

The square root of 3896841 is about 1974.0417928707. The cubic root of 3896841 is about 157.3635805383.

The spelling of 3896841 in words is "three million, eight hundred ninety-six thousand, eight hundred forty-one".