655716 has 24 divisors (see below), whose sum is σ = 1560384. Its totient is φ = 214240.

The previous prime is 655693. The next prime is 655717. The reversal of 655716 is 617556.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (655717) by changing a digit.

655716 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121 + ... + 1151.

It is an arithmetic number, because the mean of its divisors is an integer number (65016).

2⁶⁵⁵⁷¹⁶ is an apocalyptic number.

It is an amenable number.

655716 is an abundant number, since it is smaller than the sum of its proper divisors (904668).

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

655716 is a wasteful number, since it uses less digits than its factorization.

655716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091 (or 1089 counting only the distinct ones).

The product of its digits is 6300, while the sum is 30.

The square root of 655716 is about 809.7629282697. The cubic root of 655716 is about 86.8770889548.

The spelling of 655716 in words is "six hundred fifty-five thousand, seven hundred sixteen".