347407 has 4 divisors (see below), whose sum is σ = 352240. Its totient is φ = 342576.

The previous prime is 347401. The next prime is 347411. The reversal of 347407 is 704743.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-347407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2307 + ... + 2452.

It is an arithmetic number, because the mean of its divisors is an integer number (88060).

2³⁴⁷⁴⁰⁷ is an apocalyptic number.

347407 is a deficient number, since it is larger than the sum of its proper divisors (4833).

347407 is an equidigital number, since it uses as much as digits as its factorization.

347407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4832.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 347407 is about 589.4124192787. The cubic root of 347407 is about 70.2985210399.

The spelling of 347407 in words is "three hundred forty-seven thousand, four hundred seven", and thus it is an iban number.