347988853 has 6 divisors (see below), whose sum is σ = 356685122. Its totient is φ = 339499680.

The previous prime is 347988841. The next prime is 347988869. The reversal of 347988853 is 358889743.

It can be written as a sum of positive squares in 3 ways, for example, as 12439729 + 335549124 = 3527^2 + 18318^2 .

It is not a de Polignac number, because 347988853 - 2⁹ = 347988341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 347988794 and 347988803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347988803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101826 + ... + 105187.

Almost surely, 2^347988853 is an apocalyptic number.

It is an amenable number.

347988853 is a deficient number, since it is larger than the sum of its proper divisors (8696269).

347988853 is an equidigital number, since it uses as much as digits as its factorization.

347988853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207095 (or 207054 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The square root of 347988853 is about 18654.4593328244. The cubic root of 347988853 is about 703.3774553355.

The spelling of 347988853 in words is "three hundred forty-seven million, nine hundred eighty-eight thousand, eight hundred fifty-three".