5663426 has 8 divisors (see below), whose sum is σ = 8590860. Its totient is φ = 2799808.

The previous prime is 5663419. The next prime is 5663429. The reversal of 5663426 is 6243665.

It can be written as a sum of positive squares in 2 ways, for example, as 5640625 + 22801 = 2375^2 + 151^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 5663392 and 5663401.

It is not an unprimeable number, because it can be changed into a prime (5663429) 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, 15731 + ... + 16086.

Almost surely, 2^5663426 is an apocalyptic number.

5663426 is a deficient number, since it is larger than the sum of its proper divisors (2927434).

5663426 is a wasteful number, since it uses less digits than its factorization.

5663426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31908.

The product of its digits is 25920, while the sum is 32.

The square root of 5663426 is about 2379.7953693543. The cubic root of 5663426 is about 178.2487159825.

The spelling of 5663426 in words is "five million, six hundred sixty-three thousand, four hundred twenty-six".