6309947 has 8 divisors (see below), whose sum is σ = 7286496. Its totient is φ = 5352192.

The previous prime is 6309931. The next prime is 6309959. The reversal of 6309947 is 7499036.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6309947 - 2⁴ = 6309931 is a prime.

It is a super-2 number, since 2×6309947² = 79630862285618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6309947.

It is not an unprimeable number, because it can be changed into a prime (6309917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3968 + ... + 5325.

It is an arithmetic number, because the mean of its divisors is an integer number (910812).

Almost surely, 2^6309947 is an apocalyptic number.

6309947 is a deficient number, since it is larger than the sum of its proper divisors (976549).

6309947 is an equidigital number, since it uses as much as digits as its factorization.

6309947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9397.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 6309947 is about 2511.9607879105. The cubic root of 6309947 is about 184.7886263716.

The spelling of 6309947 in words is "six million, three hundred nine thousand, nine hundred forty-seven".