6315438 has 8 divisors (see below), whose sum is σ = 12630888. Its totient is φ = 2105144.

The previous prime is 6315433. The next prime is 6315451. The reversal of 6315438 is 8345136.

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

6315438 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6315433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526281 + ... + 526292.

It is an arithmetic number, because the mean of its divisors is an integer number (1578861).

Almost surely, 2^6315438 is an apocalyptic number.

6315438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6315438 is a wasteful number, since it uses less digits than its factorization.

6315438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052578.

The product of its digits is 8640, while the sum is 30.

The square root of 6315438 is about 2513.0535211173. The cubic root of 6315438 is about 184.8422126728.

The spelling of 6315438 in words is "six million, three hundred fifteen thousand, four hundred thirty-eight".