247255848 has 128 divisors (see below), whose sum is σ = 803404800. Its totient is φ = 68983488.

The previous prime is 247255823. The next prime is 247255909. The reversal of 247255848 is 848552742.

247255848 is a `hidden beast` number, since 2 + 47 + 25 + 584 + 8 = 666.

It is a super-2 number, since 2×247255848² = 122270908740398208, which contains 22 as substring.

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, 63115 + ... + 66917.

It is an arithmetic number, because the mean of its divisors is an integer number (6276600).

Almost surely, 2^247255848 is an apocalyptic number.

247255848 is a gapful number since it is divisible by the number (28) 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 247255848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401702400).

247255848 is an abundant number, since it is smaller than the sum of its proper divisors (556148952).

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

247255848 is a wasteful number, since it uses less digits than its factorization.

247255848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868 (or 3858 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 247255848 is about 15724.3711479983. The cubic root of 247255848 is about 627.6470964076.

The spelling of 247255848 in words is "two hundred forty-seven million, two hundred fifty-five thousand, eight hundred forty-eight".