5605966 has 4 divisors (see below), whose sum is σ = 8408952. Its totient is φ = 2802982.

The previous prime is 5605949. The next prime is 5605991. The reversal of 5605966 is 6695065.

It is a happy number.

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

It is a congruent number.

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, 1401490 + ... + 1401493.

It is an arithmetic number, because the mean of its divisors is an integer number (2102238).

Almost surely, 2^5605966 is an apocalyptic number.

5605966 is a deficient number, since it is larger than the sum of its proper divisors (2802986).

5605966 is a wasteful number, since it uses less digits than its factorization.

5605966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802985.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 5605966 is about 2367.6921252562. The cubic root of 5605966 is about 177.6438402918.

The spelling of 5605966 in words is "five million, six hundred five thousand, nine hundred sixty-six".