5643466 has 4 divisors (see below), whose sum is σ = 8465202. Its totient is φ = 2821732.

The previous prime is 5643427. The next prime is 5643479. The reversal of 5643466 is 6643465.

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

It can be written as a sum of positive squares in only one way, i.e., 4601025 + 1042441 = 2145^2 + 1021^2 .

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, 1410865 + ... + 1410868.

Almost surely, 2^5643466 is an apocalyptic number.

5643466 is a deficient number, since it is larger than the sum of its proper divisors (2821736).

5643466 is a wasteful number, since it uses less digits than its factorization.

5643466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821735.

The product of its digits is 51840, while the sum is 34.

The square root of 5643466 is about 2375.5980299706. The cubic root of 5643466 is about 178.0390647753.

Subtracting 5643466 from its reverse (6643465), we obtain a palindrome (999999).

The spelling of 5643466 in words is "five million, six hundred forty-three thousand, four hundred sixty-six".