654982 has 4 divisors (see below), whose sum is σ = 982476. Its totient is φ = 327490.

The previous prime is 654967. The next prime is 654991. The reversal of 654982 is 289456.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

654982 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, 163744 + ... + 163747.

It is an arithmetic number, because the mean of its divisors is an integer number (245619).

2⁶⁵⁴⁹⁸² is an apocalyptic number.

654982 is a deficient number, since it is larger than the sum of its proper divisors (327494).

654982 is a wasteful number, since it uses less digits than its factorization.

654982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327493.

The product of its digits is 17280, while the sum is 34.

The square root of 654982 is about 809.3095822984. The cubic root of 654982 is about 86.8446604890.

The spelling of 654982 in words is "six hundred fifty-four thousand, nine hundred eighty-two".