7982864 has 40 divisors (see below), whose sum is σ = 16269792. Its totient is φ = 3790080.

The previous prime is 7982851. The next prime is 7982867. The reversal of 7982864 is 4682897.

It is a super-2 number, since 2×7982864² = 127452235284992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7982867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28067 + ... + 28349.

Almost surely, 2^7982864 is an apocalyptic number.

It is an amenable number.

7982864 is an abundant number, since it is smaller than the sum of its proper divisors (8286928).

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

7982864 is a wasteful number, since it uses less digits than its factorization.

7982864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 369 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 7982864 is about 2825.3962553950. The cubic root of 7982864 is about 199.8570979193.

The spelling of 7982864 in words is "seven million, nine hundred eighty-two thousand, eight hundred sixty-four".