978244 has 6 divisors (see below), whose sum is σ = 1711934. Its totient is φ = 489120.

The previous prime is 978239. The next prime is 978269. The reversal of 978244 is 442879.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 921600 + 56644 = 960^2 + 238^2 .

It is a super-2 number, since 2×978244² = 1913922647072, which contains 22 as substring.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122277 + ... + 122284.

2⁹⁷⁸²⁴⁴ is an apocalyptic number.

It is an amenable number.

978244 is a deficient number, since it is larger than the sum of its proper divisors (733690).

978244 is a wasteful number, since it uses less digits than its factorization.

978244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244565 (or 244563 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 978244 is about 989.0621820695. The cubic root of 978244 is about 99.2694763471.

The spelling of 978244 in words is "nine hundred seventy-eight thousand, two hundred forty-four".