3842641 has 4 divisors (see below), whose sum is σ = 4191984. Its totient is φ = 3493300.

The previous prime is 3842627. The next prime is 3842669. The reversal of 3842641 is 1462483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1462483 = 11 ⋅132953.

It is a cyclic number.

It is not a de Polignac number, because 3842641 - 2²¹ = 1745489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3842941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174655 + ... + 174676.

It is an arithmetic number, because the mean of its divisors is an integer number (1047996).

Almost surely, 2^3842641 is an apocalyptic number.

It is an amenable number.

3842641 is a deficient number, since it is larger than the sum of its proper divisors (349343).

3842641 is a wasteful number, since it uses less digits than its factorization.

3842641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349342.

The product of its digits is 4608, while the sum is 28.

The square root of 3842641 is about 1960.2655432364. The cubic root of 3842641 is about 156.6305972997.

It can be divided in two parts, 384 and 2641, that added together give a square (3025 = 55²).

The spelling of 3842641 in words is "three million, eight hundred forty-two thousand, six hundred forty-one".