5689421 has 4 divisors (see below), whose sum is σ = 5695200. Its totient is φ = 5683644.

The previous prime is 5689403. The next prime is 5689457. The reversal of 5689421 is 1249865.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1249865 = 5 ⋅249973.

It is a cyclic number.

It is not a de Polignac number, because 5689421 - 2¹⁴ = 5673037 is a prime.

It is a super-2 number, since 2×5689421² = 64739022630482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5689121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001 + ... + 3518.

It is an arithmetic number, because the mean of its divisors is an integer number (1423800).

Almost surely, 2^5689421 is an apocalyptic number.

It is an amenable number.

5689421 is a deficient number, since it is larger than the sum of its proper divisors (5779).

5689421 is a wasteful number, since it uses less digits than its factorization.

5689421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5778.

The product of its digits is 17280, while the sum is 35.

The square root of 5689421 is about 2385.2507205743. The cubic root of 5689421 is about 178.5210190053.

The spelling of 5689421 in words is "five million, six hundred eighty-nine thousand, four hundred twenty-one".