5643606 has 16 divisors (see below), whose sum is σ = 11354544. Its totient is φ = 1869984.

The previous prime is 5643601. The next prime is 5643607. The reversal of 5643606 is 6063465.

5643606 = T₁₆₄ + T₁₆₅ + ... + T₃₃₆.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643601) 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, 1681 + ... + 3756.

It is an arithmetic number, because the mean of its divisors is an integer number (709659).

Almost surely, 2^5643606 is an apocalyptic number.

5643606 is an abundant number, since it is smaller than the sum of its proper divisors (5710938).

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

5643606 is a wasteful number, since it uses less digits than its factorization.

5643606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 5643606 is about 2375.6274960524. The cubic root of 5643606 is about 178.0405369949.

Adding to 5643606 its product of nonzero digits (12960), we get a triangular number (5656566 = T₃₃₆₃).

The spelling of 5643606 in words is "five million, six hundred forty-three thousand, six hundred six".