5608421 has 8 divisors (see below), whose sum is σ = 6902784. Its totient is φ = 4437360.

The previous prime is 5608409. The next prime is 5608451. The reversal of 5608421 is 1248065.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5608421 - 2⁶ = 5608357 is a prime.

It is a super-2 number, since 2×5608421² = 62908772226482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5608451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30725 + ... + 30906.

It is an arithmetic number, because the mean of its divisors is an integer number (862848).

Almost surely, 2^5608421 is an apocalyptic number.

It is an amenable number.

5608421 is a deficient number, since it is larger than the sum of its proper divisors (1294363).

5608421 is a wasteful number, since it uses less digits than its factorization.

5608421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61651.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 5608421 is about 2368.2105058461. The cubic root of 5608421 is about 177.6697681445.

The spelling of 5608421 in words is "five million, six hundred eight thousand, four hundred twenty-one".