247992 has 16 divisors (see below), whose sum is σ = 620040. Its totient is φ = 82656.

The previous prime is 247991. The next prime is 247993. The reversal of 247992 is 299742.

247992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (247991) and next prime (247993).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247991) 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, 5143 + ... + 5190.

2²⁴⁷⁹⁹² is an apocalyptic number.

It is an amenable number.

247992 is an abundant number, since it is smaller than the sum of its proper divisors (372048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247992 is a wasteful number, since it uses less digits than its factorization.

247992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10342 (or 10338 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 247992 is about 497.9879516615. The cubic root of 247992 is about 62.8269374748.

The spelling of 247992 in words is "two hundred forty-seven thousand, nine hundred ninety-two".