347042920 has 128 divisors (see below), whose sum is σ = 918086400. Its totient is φ = 115623936.

The previous prime is 347042911. The next prime is 347042933. The reversal of 347042920 is 29240743.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2533092 + ... + 2533228.

It is an arithmetic number, because the mean of its divisors is an integer number (7172550).

Almost surely, 2^347042920 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 347042920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459043200).

347042920 is an abundant number, since it is smaller than the sum of its proper divisors (571043480).

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

347042920 is a wasteful number, since it uses less digits than its factorization.

347042920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 347042920 is about 18629.0880077367. The cubic root of 347042920 is about 702.7395501063.

The spelling of 347042920 in words is "three hundred forty-seven million, forty-two thousand, nine hundred twenty".