982645 has 8 divisors (see below), whose sum is σ = 1199520. Its totient is φ = 772560.

The previous prime is 982643. The next prime is 982687. The reversal of 982645 is 546289.

It is a happy number.

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

It is not a de Polignac number, because 982645 - 2¹ = 982643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 982645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371 + ... + 1960.

It is an arithmetic number, because the mean of its divisors is an integer number (149940).

2⁹⁸²⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

982645 is a deficient number, since it is larger than the sum of its proper divisors (216875).

982645 is a wasteful number, since it uses less digits than its factorization.

982645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395.

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

The square root of 982645 is about 991.2845202060. The cubic root of 982645 is about 99.4181207323.

The spelling of 982645 in words is "nine hundred eighty-two thousand, six hundred forty-five".