5643436 has 6 divisors (see below), whose sum is σ = 9876020. Its totient is φ = 2821716.

The previous prime is 5643427. The next prime is 5643479. The reversal of 5643436 is 6343465.

It is a junction number, because it is equal to n+sod(n) for n = 5643398 and 5643407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705426 + ... + 705433.

Almost surely, 2^5643436 is an apocalyptic number.

It is an amenable number.

5643436 is a deficient number, since it is larger than the sum of its proper divisors (4232584).

5643436 is a wasteful number, since it uses less digits than its factorization.

5643436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410863 (or 1410861 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

The square root of 5643436 is about 2375.5917157626. The cubic root of 5643436 is about 178.0387492966.

The spelling of 5643436 in words is "five million, six hundred forty-three thousand, four hundred thirty-six".