6349906 has 4 divisors (see below), whose sum is σ = 9524862. Its totient is φ = 3174952.

The previous prime is 6349897. The next prime is 6349913. The reversal of 6349906 is 6099436.

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

It can be written as a sum of positive squares in only one way, i.e., 3837681 + 2512225 = 1959^2 + 1585^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1587475 + ... + 1587478.

Almost surely, 2^6349906 is an apocalyptic number.

6349906 is a deficient number, since it is larger than the sum of its proper divisors (3174956).

6349906 is a wasteful number, since it uses less digits than its factorization.

6349906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174955.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 6349906 is about 2519.9019822207. The cubic root of 6349906 is about 185.1778761550.

The spelling of 6349906 in words is "six million, three hundred forty-nine thousand, nine hundred six".