247048 has 8 divisors (see below), whose sum is σ = 463230. Its totient is φ = 123520.

The previous prime is 247031. The next prime is 247067. The reversal of 247048 is 840742.

It can be written as a sum of positive squares in only one way, i.e., 145924 + 101124 = 382^2 + 318^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×247048² = 122065428608, which contains 22 as substring.

It is an unprimeable number.

247048 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15433 + ... + 15448.

2²⁴⁷⁰⁴⁸ is an apocalyptic number.

It is an amenable number.

247048 is a deficient number, since it is larger than the sum of its proper divisors (216182).

247048 is a wasteful number, since it uses less digits than its factorization.

247048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30887 (or 30883 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 247048 is about 497.0392338639. The cubic root of 247048 is about 62.7471176382.

The spelling of 247048 in words is "two hundred forty-seven thousand, forty-eight".