34247 has 4 divisors (see below), whose sum is σ = 35760. Its totient is φ = 32736.

The previous prime is 34231. The next prime is 34253. The reversal of 34247 is 74243.

It is a happy number.

34247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74243 = 13 ⋅5711.

It is a cyclic number.

It is not a de Polignac number, because 34247 - 2⁴ = 34231 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 34247.

It is not an unprimeable number, because it can be changed into a prime (34217) 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, 722 + ... + 767.

It is an arithmetic number, because the mean of its divisors is an integer number (8940).

2³⁴²⁴⁷ is an apocalyptic number.

34247 is a deficient number, since it is larger than the sum of its proper divisors (1513).

34247 is a wasteful number, since it uses less digits than its factorization.

34247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512.

The product of its digits is 672, while the sum is 20.

The square root of 34247 is about 185.0594499073. The cubic root of 34247 is about 32.4743782282.

The spelling of 34247 in words is "thirty-four thousand, two hundred forty-seven".