6338987 has 4 divisors (see below), whose sum is σ = 6349080. Its totient is φ = 6328896.

The previous prime is 6338971. The next prime is 6338993. The reversal of 6338987 is 7898336.

6338987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6338987 - 2⁴ = 6338971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6338947) 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, 4037 + ... + 5382.

It is an arithmetic number, because the mean of its divisors is an integer number (1587270).

Almost surely, 2^6338987 is an apocalyptic number.

6338987 is a deficient number, since it is larger than the sum of its proper divisors (10093).

6338987 is an equidigital number, since it uses as much as digits as its factorization.

6338987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10092.

The product of its digits is 217728, while the sum is 44.

The square root of 6338987 is about 2517.7344975195. The cubic root of 6338987 is about 185.0716742001.

The spelling of 6338987 in words is "six million, three hundred thirty-eight thousand, nine hundred eighty-seven".