655954684 has 48 divisors (see below), whose sum is σ = 1455471360. Its totient is φ = 251228160.

The previous prime is 655954681. The next prime is 655954703. The reversal of 655954684 is 486459556.

655954684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655954681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124 + ... + 36220.

It is an arithmetic number, because the mean of its divisors is an integer number (30322320).

Almost surely, 2^655954684 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 655954684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727735680).

655954684 is an abundant number, since it is smaller than the sum of its proper divisors (799516676).

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

655954684 is a wasteful number, since it uses less digits than its factorization.

655954684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36178 (or 36176 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 52.

The square root of 655954684 is about 25611.6122881790. The cubic root of 655954684 is about 868.8762891195.

The spelling of 655954684 in words is "six hundred fifty-five million, nine hundred fifty-four thousand, six hundred eighty-four".