654498 has 24 divisors (see below), whose sum is σ = 1527708. Its totient is φ = 201312.

The previous prime is 654491. The next prime is 654499. The reversal of 654498 is 894456.

It can be written as a sum of positive squares in 2 ways, for example, as 651249 + 3249 = 807^2 + 57^2 .

It is not an unprimeable number, because it can be changed into a prime (654491) by changing a digit.

654498 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 11 ways as a sum of consecutive naturals, for example, 1165 + ... + 1632.

2⁶⁵⁴⁴⁹⁸ is an apocalyptic number.

654498 is an abundant number, since it is smaller than the sum of its proper divisors (873210).

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

654498 is a wasteful number, since it uses less digits than its factorization.

654498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818 (or 2815 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 654498 is about 809.0105067303. The cubic root of 654498 is about 86.8232638840.

The spelling of 654498 in words is "six hundred fifty-four thousand, four hundred ninety-eight".