247934 has 8 divisors (see below), whose sum is σ = 379080. Its totient is φ = 121576.

The previous prime is 247913. The next prime is 247939. The reversal of 247934 is 439742.

247934 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×247934² = 122942536712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247897 and 247906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064 + ... + 1275.

It is an arithmetic number, because the mean of its divisors is an integer number (47385).

2²⁴⁷⁹³⁴ is an apocalyptic number.

247934 is a deficient number, since it is larger than the sum of its proper divisors (131146).

247934 is a wasteful number, since it uses less digits than its factorization.

247934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394.

The product of its digits is 6048, while the sum is 29.

The square root of 247934 is about 497.9297139155. The cubic root of 247934 is about 62.8220391361.

The spelling of 247934 in words is "two hundred forty-seven thousand, nine hundred thirty-four".