247995260 has 12 divisors (see below), whose sum is σ = 520790088. Its totient is φ = 99198096.

The previous prime is 247995259. The next prime is 247995271. The reversal of 247995260 is 62599742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6199862 + ... + 6199901.

It is an arithmetic number, because the mean of its divisors is an integer number (43399174).

Almost surely, 2^247995260 is an apocalyptic number.

247995260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

247995260 is an abundant number, since it is smaller than the sum of its proper divisors (272794828).

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

247995260 is a wasteful number, since it uses less digits than its factorization.

247995260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12399772 (or 12399770 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 247995260 is about 15747.8652521540. The cubic root of 247995260 is about 628.2721277258.

The spelling of 247995260 in words is "two hundred forty-seven million, nine hundred ninety-five thousand, two hundred sixty".