347320 has 32 divisors (see below), whose sum is σ = 824400. Its totient is φ = 131328.

The previous prime is 347317. The next prime is 347329. The reversal of 347320 is 23743.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532 + ... + 988.

2³⁴⁷³²⁰ 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 347320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412200).

347320 is an abundant number, since it is smaller than the sum of its proper divisors (477080).

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

347320 is a wasteful number, since it uses less digits than its factorization.

347320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 347320 is about 589.3386123444. The cubic root of 347320 is about 70.2926523404.

The spelling of 347320 in words is "three hundred forty-seven thousand, three hundred twenty", and thus it is an iban number.