247230 has 48 divisors (see below), whose sum is σ = 668304. Its totient is φ = 63360.

The previous prime is 247229. The next prime is 247241. The reversal of 247230 is 32742.

It is a happy number.

It is a super-2 number, since 2×247230² = 122245345800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3657 + ... + 3723.

It is an arithmetic number, because the mean of its divisors is an integer number (13923).

2²⁴⁷²³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334152).

247230 is an abundant number, since it is smaller than the sum of its proper divisors (421074).

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

247230 is a wasteful number, since it uses less digits than its factorization.

247230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 247230 is about 497.2222842955. Note that the first 4 decimals coincide. The cubic root of 247230 is about 62.7625224343.

Adding to 247230 its reverse (32742), we get a palindrome (279972).

The spelling of 247230 in words is "two hundred forty-seven thousand, two hundred thirty".