3843618 has 16 divisors (see below), whose sum is σ = 7706496. Its totient is φ = 1278000.

The previous prime is 3843617. The next prime is 3843629. The reversal of 3843618 is 8163483.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3843611) 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, 4080 + ... + 4932.

It is an arithmetic number, because the mean of its divisors is an integer number (481656).

Almost surely, 2^3843618 is an apocalyptic number.

3843618 is an abundant number, since it is smaller than the sum of its proper divisors (3862878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3843618 is a wasteful number, since it uses less digits than its factorization.

3843618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609.

The product of its digits is 13824, while the sum is 33.

The square root of 3843618 is about 1960.5147283303. The cubic root of 3843618 is about 156.6438707338.

The spelling of 3843618 in words is "three million, eight hundred forty-three thousand, six hundred eighteen".