6639482 has 4 divisors (see below), whose sum is σ = 9959226. Its totient is φ = 3319740.

The previous prime is 6639481. The next prime is 6639497. The reversal of 6639482 is 2849366.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5470921 + 1168561 = 2339^2 + 1081^2 .

It is not an unprimeable number, because it can be changed into a prime (6639481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1659869 + ... + 1659872.

Almost surely, 2^6639482 is an apocalyptic number.

6639482 is a deficient number, since it is larger than the sum of its proper divisors (3319744).

6639482 is a wasteful number, since it uses less digits than its factorization.

6639482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319743.

The product of its digits is 62208, while the sum is 38.

The square root of 6639482 is about 2576.7192318916. The cubic root of 6639482 is about 187.9510397630.

The spelling of 6639482 in words is "six million, six hundred thirty-nine thousand, four hundred eighty-two".