5646518 has 8 divisors (see below), whose sum is σ = 8485320. Its totient is φ = 2818080.

The previous prime is 5646517. The next prime is 5646521. The reversal of 5646518 is 8156465.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5646517) 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 in 3 ways as a sum of consecutive naturals, for example, 1043 + ... + 3518.

It is an arithmetic number, because the mean of its divisors is an integer number (1060665).

Almost surely, 2^5646518 is an apocalyptic number.

5646518 is a deficient number, since it is larger than the sum of its proper divisors (2838802).

5646518 is a wasteful number, since it uses less digits than its factorization.

5646518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5182.

The product of its digits is 28800, while the sum is 35.

The square root of 5646518 is about 2376.2403077130. The cubic root of 5646518 is about 178.0711536431.

The spelling of 5646518 in words is "five million, six hundred forty-six thousand, five hundred eighteen".