655606446 has 16 divisors (see below), whose sum is σ = 1430414208. Its totient is φ = 198668600.

The previous prime is 655606387. The next prime is 655606463. The reversal of 655606446 is 644606556.

It is a happy number.

655606446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 655606398 and 655606407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4966650 + ... + 4966781.

It is an arithmetic number, because the mean of its divisors is an integer number (89400888).

Almost surely, 2^655606446 is an apocalyptic number.

655606446 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

655606446 is an abundant number, since it is smaller than the sum of its proper divisors (774807762).

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

655606446 is a wasteful number, since it uses less digits than its factorization.

655606446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9933447.

The product of its (nonzero) digits is 518400, while the sum is 42.

The square root of 655606446 is about 25604.8129460069. The cubic root of 655606446 is about 868.7225034445.

The spelling of 655606446 in words is "six hundred fifty-five million, six hundred six thousand, four hundred forty-six".