6244978 has 4 divisors (see below), whose sum is σ = 9367470. Its totient is φ = 3122488.

The previous prime is 6244969. The next prime is 6245011. The reversal of 6244978 is 8794426.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6215049 + 29929 = 2493^2 + 173^2 .

It is a d-powerful number, because it can be written as 6⁷ + 2¹⁷ + 4² + 4¹⁰ + 9⁷ + 7⁴ + 8 .

It is a self number, because there is not a number n which added to its sum of digits gives 6244978.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1561243 + ... + 1561246.

Almost surely, 2^6244978 is an apocalyptic number.

6244978 is a deficient number, since it is larger than the sum of its proper divisors (3122492).

6244978 is a wasteful number, since it uses less digits than its factorization.

6244978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122491.

The product of its digits is 96768, while the sum is 40.

The square root of 6244978 is about 2498.9953981550. The cubic root of 6244978 is about 184.1522251620.

The spelling of 6244978 in words is "six million, two hundred forty-four thousand, nine hundred seventy-eight".