5668397 has 4 divisors (see below), whose sum is σ = 6478176. Its totient is φ = 4858620.

The previous prime is 5668387. The next prime is 5668433. The reversal of 5668397 is 7938665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5668397 - 2¹⁰ = 5667373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5668357) 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, 404879 + ... + 404892.

It is an arithmetic number, because the mean of its divisors is an integer number (1619544).

Almost surely, 2^5668397 is an apocalyptic number.

It is an amenable number.

5668397 is a deficient number, since it is larger than the sum of its proper divisors (809779).

5668397 is an equidigital number, since it uses as much as digits as its factorization.

5668397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809778.

The product of its digits is 272160, while the sum is 44.

The square root of 5668397 is about 2380.8395578031. The cubic root of 5668397 is about 178.3008525777.

The spelling of 5668397 in words is "five million, six hundred sixty-eight thousand, three hundred ninety-seven".