5691389 has 4 divisors (see below), whose sum is σ = 6208800. Its totient is φ = 5173980.

The previous prime is 5691359. The next prime is 5691403. The reversal of 5691389 is 9831965.

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 a de Polignac number, because none of the positive numbers 2^k-5691389 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 (5691319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258689 + ... + 258710.

It is an arithmetic number, because the mean of its divisors is an integer number (1552200).

Almost surely, 2^5691389 is an apocalyptic number.

It is an amenable number.

5691389 is a deficient number, since it is larger than the sum of its proper divisors (517411).

5691389 is a wasteful number, since it uses less digits than its factorization.

5691389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517410.

The product of its digits is 58320, while the sum is 41.

The square root of 5691389 is about 2385.6632201549. The cubic root of 5691389 is about 178.5416004121.

The spelling of 5691389 in words is "five million, six hundred ninety-one thousand, three hundred eighty-nine".