978206 has 8 divisors (see below), whose sum is σ = 1507080. Its totient is φ = 475848.

The previous prime is 978203. The next prime is 978209. The reversal of 978206 is 602879.

It is an interprime number because it is at equal distance from previous prime (978203) and next prime (978209).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978203) 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 in 3 ways as a sum of consecutive naturals, for example, 6536 + ... + 6683.

It is an arithmetic number, because the mean of its divisors is an integer number (188385).

2⁹⁷⁸²⁰⁶ is an apocalyptic number.

978206 is a deficient number, since it is larger than the sum of its proper divisors (528874).

978206 is a wasteful number, since it uses less digits than its factorization.

978206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13258.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 978206 is about 989.0429717661. The cubic root of 978206 is about 99.2681909524.

The spelling of 978206 in words is "nine hundred seventy-eight thousand, two hundred six".