6355656 has 48 divisors (see below), whose sum is σ = 17641260. Its totient is φ = 2065920.

The previous prime is 6355631. The next prime is 6355667. The reversal of 6355656 is 6565536.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4691556 + 1664100 = 2166^2 + 1290^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6355656.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1876 + ... + 4028.

Almost surely, 2^6355656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6355656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8820630).

6355656 is an abundant number, since it is smaller than the sum of its proper divisors (11285604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6355656 is a wasteful number, since it uses less digits than its factorization.

6355656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206 (or 2199 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 6355656 is about 2521.0426414482. The cubic root of 6355656 is about 185.2337537043.

The spelling of 6355656 in words is "six million, three hundred fifty-five thousand, six hundred fifty-six".