5667659 has 4 divisors (see below), whose sum is σ = 5675904. Its totient is φ = 5659416.

The previous prime is 5667631. The next prime is 5667667. The reversal of 5667659 is 9567665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9567665 = 5 ⋅1913533.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5667659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5667679) 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, 2987 + ... + 4500.

It is an arithmetic number, because the mean of its divisors is an integer number (1418976).

Almost surely, 2^5667659 is an apocalyptic number.

5667659 is a deficient number, since it is larger than the sum of its proper divisors (8245).

5667659 is an equidigital number, since it uses as much as digits as its factorization.

5667659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8244.

The product of its digits is 340200, while the sum is 44.

The square root of 5667659 is about 2380.6845654139. The cubic root of 5667659 is about 178.2931142500.

The spelling of 5667659 in words is "five million, six hundred sixty-seven thousand, six hundred fifty-nine".