654344 has 16 divisors (see below), whose sum is σ = 1235520. Its totient is φ = 324880.

The previous prime is 654343. The next prime is 654349. The reversal of 654344 is 443456.

Its product of digits (5760) is a multiple of the sum of its prime divisors (576).

It is not an unprimeable number, because it can be changed into a prime (654343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1949 + ... + 2259.

It is an arithmetic number, because the mean of its divisors is an integer number (77220).

2⁶⁵⁴³⁴⁴ is an apocalyptic number.

It is an amenable number.

654344 is a deficient number, since it is larger than the sum of its proper divisors (581176).

654344 is a wasteful number, since it uses less digits than its factorization.

654344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 576 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 654344 is about 808.9153231334. The cubic root of 654344 is about 86.8164536613.

The spelling of 654344 in words is "six hundred fifty-four thousand, three hundred forty-four".