7869982 has 4 divisors (see below), whose sum is σ = 11804976. Its totient is φ = 3934990.

The previous prime is 7869941. The next prime is 7870007. The reversal of 7869982 is 2899687.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2899687 = 7 ⋅414241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1967494 + ... + 1967497.

It is an arithmetic number, because the mean of its divisors is an integer number (2951244).

Almost surely, 2^7869982 is an apocalyptic number.

7869982 is a deficient number, since it is larger than the sum of its proper divisors (3934994).

7869982 is a wasteful number, since it uses less digits than its factorization.

7869982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934993.

The product of its digits is 435456, while the sum is 49.

The square root of 7869982 is about 2805.3488196657. The cubic root of 7869982 is about 198.9105934073.

The spelling of 7869982 in words is "seven million, eight hundred sixty-nine thousand, nine hundred eighty-two".