654968 has 32 divisors (see below), whose sum is σ = 1344000. Its totient is φ = 298080.

The previous prime is 654967. The next prime is 654991. The reversal of 654968 is 869456.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 654968.

It is not an unprimeable number, because it can be changed into a prime (654967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4643 + ... + 4781.

It is an arithmetic number, because the mean of its divisors is an integer number (42000).

2⁶⁵⁴⁹⁶⁸ is an apocalyptic number.

It is an amenable number.

654968 is an abundant number, since it is smaller than the sum of its proper divisors (689032).

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

654968 is a wasteful number, since it uses less digits than its factorization.

654968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 191 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 654968 is about 809.3009329044. The cubic root of 654968 is about 86.8440417270.

The spelling of 654968 in words is "six hundred fifty-four thousand, nine hundred sixty-eight".