978246 has 12 divisors (see below), whose sum is σ = 2119572. Its totient is φ = 326076.

The previous prime is 978239. The next prime is 978269. The reversal of 978246 is 642879.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 978246.

It is a congruent number.

It is an unprimeable number.

978246 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 in 5 ways as a sum of consecutive naturals, for example, 27156 + ... + 27191.

It is an arithmetic number, because the mean of its divisors is an integer number (176631).

2⁹⁷⁸²⁴⁶ is an apocalyptic number.

978246 is an abundant number, since it is smaller than the sum of its proper divisors (1141326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

978246 is a wasteful number, since it uses less digits than its factorization.

978246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54355 (or 54352 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 978246 is about 989.0631931277. The cubic root of 978246 is about 99.2695439985.

The spelling of 978246 in words is "nine hundred seventy-eight thousand, two hundred forty-six".