5647867 has 4 divisors (see below), whose sum is σ = 5664400. Its totient is φ = 5631336.

The previous prime is 5647861. The next prime is 5647897. The reversal of 5647867 is 7687465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5647867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5647861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7743 + ... + 8440.

It is an arithmetic number, because the mean of its divisors is an integer number (1416100).

Almost surely, 2^5647867 is an apocalyptic number.

5647867 is a deficient number, since it is larger than the sum of its proper divisors (16533).

5647867 is a wasteful number, since it uses less digits than its factorization.

5647867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16532.

The product of its digits is 282240, while the sum is 43.

The square root of 5647867 is about 2376.5241425241. The cubic root of 5647867 is about 178.0853334060.

The spelling of 5647867 in words is "five million, six hundred forty-seven thousand, eight hundred sixty-seven".