654916 has 6 divisors (see below), whose sum is σ = 1146110. Its totient is φ = 327456.

The previous prime is 654889. The next prime is 654917. The reversal of 654916 is 619456.

654916 is nontrivially palindromic in base 5.

It can be written as a sum of positive squares in only one way, i.e., 562500 + 92416 = 750^2 + 304^2 .

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 654916.

It is not an unprimeable number, because it can be changed into a prime (654917) by changing a digit.

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 as a sum of consecutive naturals, namely, 81861 + ... + 81868.

2⁶⁵⁴⁹¹⁶ is an apocalyptic number.

It is an amenable number.

654916 is a deficient number, since it is larger than the sum of its proper divisors (491194).

654916 is a wasteful number, since it uses less digits than its factorization.

654916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163733 (or 163731 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 654916 is about 809.2688057747. The cubic root of 654916 is about 86.8417433909.

The spelling of 654916 in words is "six hundred fifty-four thousand, nine hundred sixteen".