347428238 has 8 divisors (see below), whose sum is σ = 522352800. Its totient is φ = 173310640.

The previous prime is 347428231. The next prime is 347428241. The reversal of 347428238 is 832824743.

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

It is a junction number, because it is equal to n+sod(n) for n = 347428195 and 347428204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347428231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200663 + ... + 202386.

It is an arithmetic number, because the mean of its divisors is an integer number (65294100).

Almost surely, 2^347428238 is an apocalyptic number.

347428238 is a deficient number, since it is larger than the sum of its proper divisors (174924562).

347428238 is a wasteful number, since it uses less digits than its factorization.

347428238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403482.

The product of its digits is 258048, while the sum is 41.

The square root of 347428238 is about 18639.4269761707. The cubic root of 347428238 is about 702.9995352840. Note that the first 3 decimals are identical.

The spelling of 347428238 in words is "three hundred forty-seven million, four hundred twenty-eight thousand, two hundred thirty-eight".