7994285 has 16 divisors (see below), whose sum is σ = 10689840. Its totient is φ = 5698560.

The previous prime is 7994281. The next prime is 7994299. The reversal of 7994285 is 5824997.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 47524 + 7946761 = 218^2 + 2819^2 .

It is not a de Polignac number, because 7994285 - 2² = 7994281 is a prime.

It is a super-2 number, since 2×7994285² = 127817185322450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7994281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236 + ... + 4005.

It is an arithmetic number, because the mean of its divisors is an integer number (668115).

Almost surely, 2^7994285 is an apocalyptic number.

It is an amenable number.

7994285 is a deficient number, since it is larger than the sum of its proper divisors (2695555).

7994285 is a wasteful number, since it uses less digits than its factorization.

7994285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288.

The product of its digits is 181440, while the sum is 44.

The square root of 7994285 is about 2827.4166654386. The cubic root of 7994285 is about 199.9523636548.

The spelling of 7994285 in words is "seven million, nine hundred ninety-four thousand, two hundred eighty-five".