247630 has 8 divisors (see below), whose sum is σ = 445752. Its totient is φ = 99048.

The previous prime is 247613. The next prime is 247633. The reversal of 247630 is 36742.

247630 is nontrivially palindromic in base 9.

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

It is a super-2 number, since 2×247630² = 122641233800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247633) 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, 12372 + ... + 12391.

It is an arithmetic number, because the mean of its divisors is an integer number (55719).

2²⁴⁷⁶³⁰ is an apocalyptic number.

247630 is a deficient number, since it is larger than the sum of its proper divisors (198122).

247630 is a wasteful number, since it uses less digits than its factorization.

247630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24770.

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

The square root of 247630 is about 497.6243563171. The cubic root of 247630 is about 62.7963525814.

The spelling of 247630 in words is "two hundred forty-seven thousand, six hundred thirty".