247912 has 32 divisors (see below), whose sum is σ = 561600. Its totient is φ = 100224.

The previous prime is 247901. The next prime is 247913. The reversal of 247912 is 219742.

It is a super-2 number, since 2×247912² = 122920719488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247913) by changing a digit.

247912 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948 + ... + 1180.

It is an arithmetic number, because the mean of its divisors is an integer number (17550).

2²⁴⁷⁹¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280800).

247912 is an abundant number, since it is smaller than the sum of its proper divisors (313688).

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

247912 is a wasteful number, since it uses less digits than its factorization.

247912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 261 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 247912 is about 497.9076219541. The cubic root of 247912 is about 62.8201809456.

The spelling of 247912 in words is "two hundred forty-seven thousand, nine hundred twelve".