654896 has 30 divisors (see below), whose sum is σ = 1407276. Its totient is φ = 292800.

The previous prime is 654889. The next prime is 654917. The reversal of 654896 is 698456.

It is an unprimeable number.

654896 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10706 + ... + 10766.

2⁶⁵⁴⁸⁹⁶ 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 654896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703638).

654896 is an abundant number, since it is smaller than the sum of its proper divisors (752380).

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

654896 is a wasteful number, since it uses less digits than its factorization.

654896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 74 counting only the distinct ones).

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

The square root of 654896 is about 809.2564488467. The cubic root of 654896 is about 86.8408593832.

The spelling of 654896 in words is "six hundred fifty-four thousand, eight hundred ninety-six".