6669982 has 16 divisors (see below), whose sum is σ = 10999152. Its totient is φ = 3008320.

The previous prime is 6669973. The next prime is 6669983. The reversal of 6669982 is 2899666.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6669983) 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 7 ways as a sum of consecutive naturals, for example, 1908 + ... + 4120.

It is an arithmetic number, because the mean of its divisors is an integer number (687447).

Almost surely, 2^6669982 is an apocalyptic number.

6669982 is a deficient number, since it is larger than the sum of its proper divisors (4329170).

6669982 is a wasteful number, since it uses less digits than its factorization.

6669982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363.

The product of its digits is 279936, while the sum is 46.

The square root of 6669982 is about 2582.6308292127. The cubic root of 6669982 is about 188.2383990871.

It can be divided in two parts, 666 and 9982, that added together give a cube (10648 = 22³).

The spelling of 6669982 in words is "six million, six hundred sixty-nine thousand, nine hundred eighty-two".