6330406 has 4 divisors (see below), whose sum is σ = 9495612. Its totient is φ = 3165202.

The previous prime is 6330391. The next prime is 6330407. The reversal of 6330406 is 6040336.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6330407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1582600 + ... + 1582603.

It is an arithmetic number, because the mean of its divisors is an integer number (2373903).

Almost surely, 2^6330406 is an apocalyptic number.

6330406 is a deficient number, since it is larger than the sum of its proper divisors (3165206).

6330406 is a wasteful number, since it uses less digits than its factorization.

6330406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165205.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 6330406 is about 2516.0298090444. The cubic root of 6330406 is about 184.9881268251.

The spelling of 6330406 in words is "six million, three hundred thirty thousand, four hundred six".