6655426 has 4 divisors (see below), whose sum is σ = 9983142. Its totient is φ = 3327712.

The previous prime is 6655423. The next prime is 6655531. The reversal of 6655426 is 6245566.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6007401 + 648025 = 2451^2 + 805^2 .

It is a d-powerful number, because it can be written as 6² + 6³ + 5⁸ + 5⁸ + 4 + 2²² + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 6655391 and 6655400.

It is not an unprimeable number, because it can be changed into a prime (6655423) 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 as a sum of consecutive naturals, namely, 1663855 + ... + 1663858.

Almost surely, 2^6655426 is an apocalyptic number.

6655426 is a deficient number, since it is larger than the sum of its proper divisors (3327716).

6655426 is a wasteful number, since it uses less digits than its factorization.

6655426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327715.

The product of its digits is 43200, while the sum is 34.

The square root of 6655426 is about 2579.8112334045. The cubic root of 6655426 is about 188.1013675461.

The spelling of 6655426 in words is "six million, six hundred fifty-five thousand, four hundred twenty-six".