7944286 has 8 divisors (see below), whose sum is σ = 13618800. Its totient is φ = 3404688.

The previous prime is 7944281. The next prime is 7944301. The reversal of 7944286 is 6824497.

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

It is a super-2 number, since 2×7944286² = 126223360099592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7944281) 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, 283711 + ... + 283738.

It is an arithmetic number, because the mean of its divisors is an integer number (1702350).

Almost surely, 2^7944286 is an apocalyptic number.

7944286 is a deficient number, since it is larger than the sum of its proper divisors (5674514).

7944286 is a wasteful number, since it uses less digits than its factorization.

7944286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567458.

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

The square root of 7944286 is about 2818.5609803586. The cubic root of 7944286 is about 199.5346346821.

The spelling of 7944286 in words is "seven million, nine hundred forty-four thousand, two hundred eighty-six".