6381238 has 8 divisors (see below), whose sum is σ = 9593280. Its totient is φ = 3183480.

The previous prime is 6381227. The next prime is 6381241. The reversal of 6381238 is 8321836.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2373 + ... + 4288.

It is an arithmetic number, because the mean of its divisors is an integer number (1199160).

Almost surely, 2^6381238 is an apocalyptic number.

6381238 is a deficient number, since it is larger than the sum of its proper divisors (3212042).

6381238 is a wasteful number, since it uses less digits than its factorization.

6381238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7142.

The product of its digits is 6912, while the sum is 31.

The square root of 6381238 is about 2526.1112406226. Note that the first 3 decimals coincide. The cubic root of 6381238 is about 185.4819476624.

The spelling of 6381238 in words is "six million, three hundred eighty-one thousand, two hundred thirty-eight".