6356947 has 4 divisors (see below), whose sum is σ = 6633360. Its totient is φ = 6080536.

The previous prime is 6356941. The next prime is 6356957. The reversal of 6356947 is 7496536.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6356947 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6356941) 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, 138172 + ... + 138217.

It is an arithmetic number, because the mean of its divisors is an integer number (1658340).

Almost surely, 2^6356947 is an apocalyptic number.

6356947 is a deficient number, since it is larger than the sum of its proper divisors (276413).

6356947 is a wasteful number, since it uses less digits than its factorization.

6356947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276412.

The product of its digits is 136080, while the sum is 40.

The square root of 6356947 is about 2521.2986733031. The cubic root of 6356947 is about 185.2462947956.

The spelling of 6356947 in words is "six million, three hundred fifty-six thousand, nine hundred forty-seven".