5687947 has 4 divisors (see below), whose sum is σ = 5740240. Its totient is φ = 5635656.

The previous prime is 5687917. The next prime is 5687951. The reversal of 5687947 is 7497865.

It is a happy number.

5687947 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 5687947 - 2¹⁹ = 5163659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5687897 and 5687906.

It is not an unprimeable number, because it can be changed into a prime (5687917) 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, 25983 + ... + 26200.

It is an arithmetic number, because the mean of its divisors is an integer number (1435060).

Almost surely, 2^5687947 is an apocalyptic number.

5687947 is a deficient number, since it is larger than the sum of its proper divisors (52293).

5687947 is a wasteful number, since it uses less digits than its factorization.

5687947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52292.

The product of its digits is 423360, while the sum is 46.

The square root of 5687947 is about 2384.9417183655. The cubic root of 5687947 is about 178.5056007574.

It can be divided in two parts, 568 and 7947, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 5687947 in words is "five million, six hundred eighty-seven thousand, nine hundred forty-seven".