4242978 has 24 divisors (see below), whose sum is σ = 9283248. Its totient is φ = 1400472.

The previous prime is 4242941. The next prime is 4242983. The reversal of 4242978 is 8792424.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 825 + ... + 3027.

It is an arithmetic number, because the mean of its divisors is an integer number (386802).

Almost surely, 2^4242978 is an apocalyptic number.

4242978 is an abundant number, since it is smaller than the sum of its proper divisors (5040270).

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

4242978 is a wasteful number, since it uses less digits than its factorization.

4242978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318 (or 2315 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 4242978 is about 2059.8490235937. The cubic root of 4242978 is about 161.8913308708.

The spelling of 4242978 in words is "four million, two hundred forty-two thousand, nine hundred seventy-eight".