247980960 has 192 divisors, whose sum is σ = 876355200. Its totient is φ = 65488896.

The previous prime is 247980949. The next prime is 247980979. The reversal of 247980960 is 69089742.

It is a happy number.

It is a super-2 number, since 2×247980960² = 122989113045043200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 591631 + ... + 592049.

It is an arithmetic number, because the mean of its divisors is an integer number (4564350).

Almost surely, 2^247980960 is an apocalyptic number.

247980960 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 247980960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438177600).

247980960 is an abundant number, since it is smaller than the sum of its proper divisors (628374240).

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

247980960 is a wasteful number, since it uses less digits than its factorization.

247980960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 247980960 is about 15747.4112158158. The cubic root of 247980960 is about 628.2600516024.

The spelling of 247980960 in words is "two hundred forty-seven million, nine hundred eighty thousand, nine hundred sixty".