347143420 has 24 divisors (see below), whose sum is σ = 785078784. Its totient is φ = 128175936.

The previous prime is 347143409. The next prime is 347143421. The reversal of 347143420 is 24341743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347143421) 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, 667324 + ... + 667843.

It is an arithmetic number, because the mean of its divisors is an integer number (32711616).

Almost surely, 2^347143420 is an apocalyptic number.

It is an amenable number.

347143420 is an abundant number, since it is smaller than the sum of its proper divisors (437935364).

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

347143420 is a wasteful number, since it uses less digits than its factorization.

347143420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335189 (or 1335187 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 347143420 is about 18631.7852070058. The cubic root of 347143420 is about 702.8073789005.

The spelling of 347143420 in words is "three hundred forty-seven million, one hundred forty-three thousand, four hundred twenty".