3366644 has 6 divisors (see below), whose sum is σ = 5891634. Its totient is φ = 1683320.

The previous prime is 3366619. The next prime is 3366647. The reversal of 3366644 is 4466633.

It can be written as a sum of positive squares in only one way, i.e., 2016400 + 1350244 = 1420^2 + 1162^2 .

It is a super-2 number, since 2×3366644² = 22668583645472, which contains 22 as substring.

It is a plaindrome in base 15.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 3366644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3366647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420827 + ... + 420834.

It is an arithmetic number, because the mean of its divisors is an integer number (981939).

Almost surely, 2^3366644 is an apocalyptic number.

It is an amenable number.

3366644 is a deficient number, since it is larger than the sum of its proper divisors (2524990).

3366644 is a wasteful number, since it uses less digits than its factorization.

3366644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841665 (or 841663 counting only the distinct ones).

The product of its digits is 31104, while the sum is 32.

The square root of 3366644 is about 1834.8416825438. The cubic root of 3366644 is about 149.8761051026.

The spelling of 3366644 in words is "three million, three hundred sixty-six thousand, six hundred forty-four".