347979247 has 32 divisors (see below), whose sum is σ = 454201344. Its totient is φ = 258681600.

The previous prime is 347979223. The next prime is 347979257. The reversal of 347979247 is 742979743.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-347979247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 347979194 and 347979203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347979257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173253 + ... + 175249.

It is an arithmetic number, because the mean of its divisors is an integer number (14193792).

Almost surely, 2^347979247 is an apocalyptic number.

347979247 is a deficient number, since it is larger than the sum of its proper divisors (106222097).

347979247 is a wasteful number, since it uses less digits than its factorization.

347979247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119.

The product of its digits is 2667168, while the sum is 52.

The square root of 347979247 is about 18654.2018590987. The cubic root of 347979247 is about 703.3709831875.

It can be divided in two parts, 34797 and 9247, that added together give a palindrome (44044).

The spelling of 347979247 in words is "three hundred forty-seven million, nine hundred seventy-nine thousand, two hundred forty-seven".