347980 has 24 divisors (see below), whose sum is σ = 741888. Its totient is φ = 137088.

The previous prime is 347969. The next prime is 347981. The reversal of 347980 is 89743.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (347981) by changing a digit.

347980 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2472 + ... + 2608.

It is an arithmetic number, because the mean of its divisors is an integer number (30912).

2³⁴⁷⁹⁸⁰ is an apocalyptic number.

It is an amenable number.

347980 is an abundant number, since it is smaller than the sum of its proper divisors (393908).

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

347980 is a wasteful number, since it uses less digits than its factorization.

347980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 347980 is about 589.8982963190. The cubic root of 347980 is about 70.3371490534.

The spelling of 347980 in words is "three hundred forty-seven thousand, nine hundred eighty".