247232 has 14 divisors (see below), whose sum is σ = 490728. Its totient is φ = 123584.

The previous prime is 247229. The next prime is 247241. The reversal of 247232 is 232742.

It is a happy number.

It is a super-2 number, since 2×247232² = 122247323648, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 247232.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1868 + ... + 1995.

It is an arithmetic number, because the mean of its divisors is an integer number (35052).

2²⁴⁷²³² is an apocalyptic number.

It is an amenable number.

247232 is a deficient number, since it is larger than the sum of its proper divisors (243496).

247232 is an equidigital number, since it uses as much as digits as its factorization.

247232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875 (or 3865 counting only the distinct ones).

The product of its digits is 672, while the sum is 20.

The square root of 247232 is about 497.2242954643. The cubic root of 247232 is about 62.7626916758.

Adding to 247232 its reverse (232742), we get a palindrome (479974).

The spelling of 247232 in words is "two hundred forty-seven thousand, two hundred thirty-two".