654460 has 24 divisors (see below), whose sum is σ = 1408176. Its totient is φ = 255360.

The previous prime is 654439. The next prime is 654491. The reversal of 654460 is 64456.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 480 + ... + 1240.

It is an arithmetic number, because the mean of its divisors is an integer number (58674).

2⁶⁵⁴⁴⁶⁰ 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 654460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704088).

654460 is an abundant number, since it is smaller than the sum of its proper divisors (753716).

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

654460 is a wasteful number, since it uses less digits than its factorization.

654460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 654460 is about 808.9870209095. The cubic root of 654460 is about 86.8215835387.

The spelling of 654460 in words is "six hundred fifty-four thousand, four hundred sixty".