5687664 has 20 divisors (see below), whose sum is σ = 14693256. Its totient is φ = 1895872.

The previous prime is 5687657. The next prime is 5687687. The reversal of 5687664 is 4667865.

It is a happy number.

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, 59199 + ... + 59294.

Almost surely, 2^5687664 is an apocalyptic number.

It is an amenable number.

5687664 is an abundant number, since it is smaller than the sum of its proper divisors (9005592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5687664 is a wasteful number, since it uses less digits than its factorization.

5687664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118504 (or 118498 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 5687664 is about 2384.8823870371. The cubic root of 5687664 is about 178.5026402327.

The spelling of 5687664 in words is "five million, six hundred eighty-seven thousand, six hundred sixty-four".