654494 has 4 divisors (see below), whose sum is σ = 981744. Its totient is φ = 327246.

The previous prime is 654491. The next prime is 654499. The reversal of 654494 is 494456.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 654494.

It is a congruent number.

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

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 as a sum of consecutive naturals, namely, 163622 + ... + 163625.

It is an arithmetic number, because the mean of its divisors is an integer number (245436).

2⁶⁵⁴⁴⁹⁴ is an apocalyptic number.

654494 is a deficient number, since it is larger than the sum of its proper divisors (327250).

654494 is a wasteful number, since it uses less digits than its factorization.

654494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327249.

The product of its digits is 17280, while the sum is 32.

The square root of 654494 is about 809.0080345707. The cubic root of 654494 is about 86.8230870086.

The spelling of 654494 in words is "six hundred fifty-four thousand, four hundred ninety-four".