7982646 has 16 divisors (see below), whose sum is σ = 18246144. Its totient is φ = 2280744.

The previous prime is 7982629. The next prime is 7982651. The reversal of 7982646 is 6462897.

It is a super-2 number, since 2×7982646² = 127445274322632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 190063 = 7982646 / (7 + 9 + 8 + 2 + 6 + 4 + 6).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7982598 and 7982607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94990 + ... + 95073.

It is an arithmetic number, because the mean of its divisors is an integer number (1140384).

Almost surely, 2^7982646 is an apocalyptic number.

7982646 is an abundant number, since it is smaller than the sum of its proper divisors (10263498).

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

7982646 is a wasteful number, since it uses less digits than its factorization.

7982646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190075.

The product of its digits is 145152, while the sum is 42.

The square root of 7982646 is about 2825.3576764721. The cubic root of 7982646 is about 199.8552786372.

The spelling of 7982646 in words is "seven million, nine hundred eighty-two thousand, six hundred forty-six".