5643306 has 12 divisors (see below), whose sum is σ = 12227202. Its totient is φ = 1881096.

The previous prime is 5643301. The next prime is 5643307. The reversal of 5643306 is 6033465.

5643306 = T₆₃₃ + T₆₃₄ + ... + T₆₅₉.

It can be written as a sum of positive squares in only one way, i.e., 5103081 + 540225 = 2259^2 + 735^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5643306.

It is not an unprimeable number, because it can be changed into a prime (5643301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156741 + ... + 156776.

Almost surely, 2^5643306 is an apocalyptic number.

5643306 is an abundant number, since it is smaller than the sum of its proper divisors (6583896).

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

5643306 is a wasteful number, since it uses less digits than its factorization.

5643306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313525 (or 313522 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 5643306 is about 2375.5643540010. The cubic root of 5643306 is about 178.0373822089.

The spelling of 5643306 in words is "five million, six hundred forty-three thousand, three hundred six".