654064 has 10 divisors (see below), whose sum is σ = 1267280. Its totient is φ = 327024.

The previous prime is 654053. The next prime is 654067. The reversal of 654064 is 460456.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654067) by changing a digit.

654064 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20424 + ... + 20455.

It is an arithmetic number, because the mean of its divisors is an integer number (126728).

2⁶⁵⁴⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

654064 is a deficient number, since it is larger than the sum of its proper divisors (613216).

654064 is a wasteful number, since it uses less digits than its factorization.

654064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40887 (or 40881 counting only the distinct ones).

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

The square root of 654064 is about 808.7422333476. The cubic root of 654064 is about 86.8040687001.

The spelling of 654064 in words is "six hundred fifty-four thousand, sixty-four".