6438262 has 4 divisors (see below), whose sum is σ = 9657396. Its totient is φ = 3219130.

The previous prime is 6438253. The next prime is 6438269. The reversal of 6438262 is 2628346.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6438269) 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 as a sum of consecutive naturals, namely, 1609564 + ... + 1609567.

It is an arithmetic number, because the mean of its divisors is an integer number (2414349).

Almost surely, 2^6438262 is an apocalyptic number.

6438262 is a deficient number, since it is larger than the sum of its proper divisors (3219134).

6438262 is a wasteful number, since it uses less digits than its factorization.

6438262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219133.

The product of its digits is 13824, while the sum is 31.

The square root of 6438262 is about 2537.3730510116. The cubic root of 6438262 is about 186.0328111076.

The spelling of 6438262 in words is "six million, four hundred thirty-eight thousand, two hundred sixty-two".