5605918 has 4 divisors (see below), whose sum is σ = 8408880. Its totient is φ = 2802958.

The previous prime is 5605913. The next prime is 5605927. The reversal of 5605918 is 8195065.

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 (5605913) by changing a digit.

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, 1401478 + ... + 1401481.

It is an arithmetic number, because the mean of its divisors is an integer number (2102220).

Almost surely, 2^5605918 is an apocalyptic number.

5605918 is a deficient number, since it is larger than the sum of its proper divisors (2802962).

5605918 is a wasteful number, since it uses less digits than its factorization.

5605918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802961.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 5605918 is about 2367.6819887814. The cubic root of 5605918 is about 177.6433332767.

The spelling of 5605918 in words is "five million, six hundred five thousand, nine hundred eighteen".