5643662 has 4 divisors (see below), whose sum is σ = 8465496. Its totient is φ = 2821830.

The previous prime is 5643653. The next prime is 5643667. The reversal of 5643662 is 2663465.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410914 + ... + 1410917.

It is an arithmetic number, because the mean of its divisors is an integer number (2116374).

Almost surely, 2^5643662 is an apocalyptic number.

5643662 is a deficient number, since it is larger than the sum of its proper divisors (2821834).

5643662 is a wasteful number, since it uses less digits than its factorization.

5643662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821833.

The product of its digits is 25920, while the sum is 32.

The square root of 5643662 is about 2375.6392823827. The cubic root of 5643662 is about 178.0411258759.

The spelling of 5643662 in words is "five million, six hundred forty-three thousand, six hundred sixty-two".