654856 has 16 divisors (see below), whose sum is σ = 1281600. Its totient is φ = 313104.

The previous prime is 654853. The next prime is 654877. The reversal of 654856 is 658456.

654856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (654853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1596 + ... + 1963.

It is an arithmetic number, because the mean of its divisors is an integer number (80100).

2⁶⁵⁴⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

654856 is a deficient number, since it is larger than the sum of its proper divisors (626744).

654856 is a wasteful number, since it uses less digits than its factorization.

654856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3588 (or 3584 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 654856 is about 809.2317344247. The cubic root of 654856 is about 86.8390913136.

Subtracting 654856 from its reverse (658456), we obtain a square (3600 = 60²).

The spelling of 654856 in words is "six hundred fifty-four thousand, eight hundred fifty-six".