5649686 has 8 divisors (see below), whose sum is σ = 9685200. Its totient is φ = 2421288.

The previous prime is 5649673. The next prime is 5649701. The reversal of 5649686 is 6869465.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 201761 + ... + 201788.

It is an arithmetic number, because the mean of its divisors is an integer number (1210650).

Almost surely, 2^5649686 is an apocalyptic number.

5649686 is a deficient number, since it is larger than the sum of its proper divisors (4035514).

5649686 is a wasteful number, since it uses less digits than its factorization.

5649686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403558.

The product of its digits is 311040, while the sum is 44.

The square root of 5649686 is about 2376.9068134868. The cubic root of 5649686 is about 178.1044499120.

The spelling of 5649686 in words is "five million, six hundred forty-nine thousand, six hundred eighty-six".