3643662 has 16 divisors (see below), whose sum is σ = 7949952. Its totient is φ = 1104120.

The previous prime is 3643657. The next prime is 3643669. The reversal of 3643662 is 2663463.

It is a d-powerful number, because it can be written as 3⁵ + 6⁷ + 4² + 3⁷ + 6⁸ + 6⁸ + 2¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3643669) 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, 27538 + ... + 27669.

It is an arithmetic number, because the mean of its divisors is an integer number (496872).

Almost surely, 2^3643662 is an apocalyptic number.

3643662 is an abundant number, since it is smaller than the sum of its proper divisors (4306290).

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

3643662 is a wasteful number, since it uses less digits than its factorization.

3643662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55223.

The product of its digits is 15552, while the sum is 30.

The square root of 3643662 is about 1908.8378663470. The cubic root of 3643662 is about 153.8790020501.

The spelling of 3643662 in words is "three million, six hundred forty-three thousand, six hundred sixty-two".