6328905 has 32 divisors (see below), whose sum is σ = 11173248. Its totient is φ = 3058880.

The previous prime is 6328897. The next prime is 6328909. The reversal of 6328905 is 5098236.

It is a happy number.

It is not a de Polignac number, because 6328905 - 2³ = 6328897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

6328905 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6328909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19807 + ... + 20123.

It is an arithmetic number, because the mean of its divisors is an integer number (349164).

Almost surely, 2^6328905 is an apocalyptic number.

It is an amenable number.

6328905 is a deficient number, since it is larger than the sum of its proper divisors (4844343).

6328905 is a wasteful number, since it uses less digits than its factorization.

6328905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 6328905 is about 2515.7315039567. The cubic root of 6328905 is about 184.9735048494.

The spelling of 6328905 in words is "six million, three hundred twenty-eight thousand, nine hundred five".