347951868 has 48 divisors (see below), whose sum is σ = 894499200. Its totient is φ = 104392000.

The previous prime is 347951861. The next prime is 347951887. The reversal of 347951868 is 868159743.

It is a self number, because there is not a number n which added to its sum of digits gives 347951868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347951861) 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 15 ways as a sum of consecutive naturals, for example, 283 + ... + 26381.

It is an arithmetic number, because the mean of its divisors is an integer number (18635400).

Almost surely, 2^347951868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 347951868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447249600).

347951868 is an abundant number, since it is smaller than the sum of its proper divisors (546547332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

347951868 is a wasteful number, since it uses less digits than its factorization.

347951868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26218 (or 26216 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 347951868 is about 18653.4679885538. The cubic root of 347951868 is about 703.3525356322.

It can be divided in two parts, 34795 and 1868, that added together give a palindrome (36663).

The spelling of 347951868 in words is "three hundred forty-seven million, nine hundred fifty-one thousand, eight hundred sixty-eight".