5687665 has 8 divisors (see below), whose sum is σ = 6838848. Its totient is φ = 4541040.

The previous prime is 5687657. The next prime is 5687687. The reversal of 5687665 is 5667865.

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

It is not a de Polignac number, because 5687665 - 2³ = 5687657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2950 + ... + 4480.

It is an arithmetic number, because the mean of its divisors is an integer number (854856).

Almost surely, 2^5687665 is an apocalyptic number.

It is an amenable number.

5687665 is a deficient number, since it is larger than the sum of its proper divisors (1151183).

5687665 is a wasteful number, since it uses less digits than its factorization.

5687665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279.

The product of its digits is 302400, while the sum is 43.

The square root of 5687665 is about 2384.8825966911. The cubic root of 5687665 is about 178.5026506941.

The spelling of 5687665 in words is "five million, six hundred eighty-seven thousand, six hundred sixty-five".