247260 has 48 divisors (see below), whose sum is σ = 747936. Its totient is φ = 60672.

The previous prime is 247259. The next prime is 247279. The reversal of 247260 is 62742.

It is a happy number.

It is a super-2 number, since 2×247260² = 122275015200, which contains 22 as substring.

It is a nialpdrome in base 12 and base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622 + ... + 938.

It is an arithmetic number, because the mean of its divisors is an integer number (15582).

2²⁴⁷²⁶⁰ is an apocalyptic number.

247260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373968).

247260 is an abundant number, since it is smaller than the sum of its proper divisors (500676).

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

247260 is a wasteful number, since it uses less digits than its factorization.

247260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 247260 is about 497.2524509744. The cubic root of 247260 is about 62.7650609605.

The spelling of 247260 in words is "two hundred forty-seven thousand, two hundred sixty".