351168947 has 8 divisors (see below), whose sum is σ = 352719360. Its totient is φ = 349622920.

The previous prime is 351168943. The next prime is 351168953. The reversal of 351168947 is 749861153.

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 351168947 - 2² = 351168943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 351168898 and 351168907.

It is not an unprimeable number, because it can be changed into a prime (351168941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361172 + ... + 362142.

It is an arithmetic number, because the mean of its divisors is an integer number (44089920).

Almost surely, 2^351168947 is an apocalyptic number.

351168947 is a deficient number, since it is larger than the sum of its proper divisors (1550413).

351168947 is an equidigital number, since it uses as much as digits as its factorization.

351168947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193.

The product of its digits is 181440, while the sum is 44.

The square root of 351168947 is about 18739.5023146294. The cubic root of 351168947 is about 705.5135650690.

The spelling of 351168947 in words is "three hundred fifty-one million, one hundred sixty-eight thousand, nine hundred forty-seven".