609982 has 8 divisors (see below), whose sum is σ = 939816. Its totient is φ = 296712.

The previous prime is 609979. The next prime is 609989. The reversal of 609982 is 289906.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609989) 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, 4048 + ... + 4195.

It is an arithmetic number, because the mean of its divisors is an integer number (117477).

2⁶⁰⁹⁹⁸² is an apocalyptic number.

609982 is a deficient number, since it is larger than the sum of its proper divisors (329834).

609982 is a wasteful number, since it uses less digits than its factorization.

609982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8282.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 609982 is about 781.0134441865. The cubic root of 609982 is about 84.8084266872.

Adding to 609982 its sum of digits (34), we get a palindrome (610016).

Subtracting from 609982 its product of nonzero digits (7776), we obtain a palindrome (602206).

The spelling of 609982 in words is "six hundred nine thousand, nine hundred eighty-two".