347387 has 4 divisors (see below), whose sum is σ = 348816. Its totient is φ = 345960.

The previous prime is 347359. The next prime is 347401. The reversal of 347387 is 783743.

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

It is a cyclic number.

It is not a de Polignac number, because 347387 - 2⁸ = 347131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347317) 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, 248 + ... + 869.

It is an arithmetic number, because the mean of its divisors is an integer number (87204).

2³⁴⁷³⁸⁷ is an apocalyptic number.

347387 is a deficient number, since it is larger than the sum of its proper divisors (1429).

347387 is a wasteful number, since it uses less digits than its factorization.

347387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428.

The product of its digits is 14112, while the sum is 32.

The square root of 347387 is about 589.3954529855. The cubic root of 347387 is about 70.2971720003.

The spelling of 347387 in words is "three hundred forty-seven thousand, three hundred eighty-seven".