654872 has 16 divisors (see below), whose sum is σ = 1240800. Its totient is φ = 324000.

The previous prime is 654853. The next prime is 654877. The reversal of 654872 is 278456.

It is a d-powerful number, because it can be written as 6 + 5⁸ + 8⁶ + 4⁵ + 7² + 2¹⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654877) by changing a digit.

654872 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 3 ways as a sum of consecutive naturals, for example, 497 + ... + 1247.

It is an arithmetic number, because the mean of its divisors is an integer number (77550).

2⁶⁵⁴⁸⁷² is an apocalyptic number.

It is an amenable number.

654872 is a deficient number, since it is larger than the sum of its proper divisors (585928).

654872 is a wasteful number, since it uses less digits than its factorization.

654872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 862 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 654872 is about 809.2416202841. The cubic root of 654872 is about 86.8397985500.

The spelling of 654872 in words is "six hundred fifty-four thousand, eight hundred seventy-two".