3843664 has 20 divisors (see below), whose sum is σ = 8124480. Its totient is φ = 1747040.

The previous prime is 3843661. The next prime is 3843677. The reversal of 3843664 is 4663483.

It is a d-powerful number, because it can be written as 3⁸ + 8⁷ + 4⁴ + 3¹⁰ + 6 + 6⁸ + 4⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3843661) 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, 10744 + ... + 11095.

It is an arithmetic number, because the mean of its divisors is an integer number (406224).

Almost surely, 2^3843664 is an apocalyptic number.

It is an amenable number.

3843664 is an abundant number, since it is smaller than the sum of its proper divisors (4280816).

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

3843664 is a wasteful number, since it uses less digits than its factorization.

3843664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21858 (or 21852 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 3843664 is about 1960.5264599082. The cubic root of 3843664 is about 156.6444956302.

The spelling of 3843664 in words is "three million, eight hundred forty-three thousand, six hundred sixty-four".