347620 has 48 divisors (see below), whose sum is σ = 903168. Its totient is φ = 109440.

The previous prime is 347609. The next prime is 347621. The reversal of 347620 is 26743.

It is a junction number, because it is equal to n+sod(n) for n = 347591 and 347600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1725 + ... + 1915.

It is an arithmetic number, because the mean of its divisors is an integer number (18816).

2³⁴⁷⁶²⁰ 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 347620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451584).

347620 is an abundant number, since it is smaller than the sum of its proper divisors (555548).

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

347620 is a wasteful number, since it uses less digits than its factorization.

347620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 347620 is about 589.5930800137. The cubic root of 347620 is about 70.3128851008.

The spelling of 347620 in words is "three hundred forty-seven thousand, six hundred twenty".